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   square

   /skwɛː/

   noun

   • 1. a plane figure with four equal straight sides and four right angles: "a grid of ruled squares"
   • ▪ a thing that is square or approximately square in shape: "she tore a bit of cloth into a four-inch square"
   • ▪ a thing having the shape or approximate shape of a cube: "a small square of chocolate"
   • ▪ a small square area on the board used in a game: "move the white king's pawn forward two squares"
   • ▪ a body of infantry drawn up in rectangular form. historical
   • ▪ a unit of 100 square ft used as a measure of flooring, roofing, etc.
   • ▪ a square scarf.
   • ▪ a mortar board. British
   • ▪ the portion of the cover of a bound book which projects beyond the pages.
   • 2. an open, typically four-sided, area surrounded by buildings in a village, town, or city: "a market square" Similar marketplaceclosequadranglequadcourtyardarcademallgalleriaprecinctforumplazapiazza
   • ▪ an open area at the meeting of streets.
   • ▪ a closer-cut area at the centre of a ground, any strip of which may be prepared as a wicket.
   • ▪ an area within a military barracks or camp used for drill.
   • ▪ a block of buildings bounded by four streets. US
   • 3. the product of a number multiplied by itself: "a circle's area is proportional to the square of its radius"
   • 4. an L-shaped or T-shaped instrument used for obtaining or testing right angles: "a carpenter's square"
   • ▪ an aspect of 90° (one quarter of a circle): "Venus in square to Jupiter"
   • 5. a person considered to be old-fashioned or boringly conventional in attitude or behaviour: informal "Reg is such a square" Similar (old) fogeyconservativetraditionalistconventionalistdiehardconformistbourgeoismuseum piecefossildinosaurtroglodyteinformal:stick-in-the-mudfuddy-duddyback numberstuffed shirtsobersides
   • ▪ a cigarette containing tobacco rather than cannabis. North American
   • 6. a square meal: informal North American "three squares a day"

   adjective

   • 1. having the shape or approximate shape of a square: "a square table" Similar quadrilateralrectangularoblongright-angledat right anglesperpendicularstraightstraight onlevelparallelhorizontaluprightverticaltrueplanecubic
   • ▪ having the shape or approximate shape of a cube: "a square block of flats"
   • ▪ having or in the form of two right angles: "a suitable length of wood with square ends"
   • ▪ having an outline resembling two corners of a square: "his square jaw"
   • ▪ broad and solid in shape: "he was short and square"
   • 2. denoting a unit of measurement equal to the area of a square whose side is of the unit specified: "30,000 square feet of new gallery space"
   • ▪ denoting the length of each side of a square shape or object: "the office was fifteen feet square"
   • 3. at right angles; perpendicular: "these lines must be square to the top and bottom marked edges"
   • ▪ in a direction transversely across the field or pitch: "Keen's square pass was rammed home first time by Bishop"
   • ▪ having or denoting an aspect of 90°: "Jupiter is square to the Sun"
   • 4. level or parallel: "place two pieces of wood one on top of the other, ensuring that they are exactly square"
   • ▪ properly arranged; in good order: "we should get everything square before we leave"
   • ▪ compatible or in agreement: "he wanted to make sure we were square with the court's decision and not subject to a lawsuit"
   • ▪ fair and honest: "she'd been as square with him as anybody could be" Similar fairhonestjustequitablestraighttrueuprightabove boardethicaldecentproperright and properhonourablegenuineinformal:on the levelOpposite underhand
   • 5. (of two people) owing nothing to each other: "an acknowledgement that we are square"
   • ▪ with both players or sides having equal scores in a game: "the goal brought the match all square once again" Similar levelevendrawnequalall squaretiedbalancedon a levelin a position of equalityclose togetherneck and necklevel peggingnip and tuckside by sideon a parevenly matchedwith nothing to choose between theminformal:even-steven(s)Opposite uneven
   • 6. old-fashioned or boringly conventional: informal "Elvis was anything but square" Similar old-fashionedbehind the timesout of dateconservativetraditionalistconventionaldiehardconformistbourgeoisstrait-lacedfogeyishstuffyunadventurousboringinformal:stick-in-the-mudfuddy-duddyOpposite trendy
   • 7. (of rhythm) simple and straightforward.

   adverb

   • 1. directly; straight: "the ball hit me square in the forehead"
   • ▪ fairly; honestly: informal "I'd acted square with him"
   • 2. in a direction transversely across the field or pitch: "the ball bounced almost square to the left"

   verb

   • 1. make square or rectangular; give a square or rectangular cross section to: "you can square off the other edge"
   • ▪ mark out in squares: "that this watercolour was a first draft is made clear by the fact that the sheet of paper has been squared"
   • 2. multiply (a number) by itself: "5 squared equals 25"
   • 3. balance (an account): "institutions are anxious to square their books before the election"
   • ▪ make the score of (a match or game) even: "his goal squared the match 1–1" Similar make equalevenlevel
   • 4. bring (one's shoulders) into a position in which they appear square and broad, typically to prepare oneself for a difficult task or event: "chin up, shoulders squared, she stepped into the room"
   • ▪ adopt a posture of defence.
   • 5. secure the help or acquiescence of (someone), especially by offering an inducement: informal "faced with such declarations, politicians were resolved to squash or square the press" Similar bribebuy offbuycorruptsuborngive an inducement toinformal:grease someone's palmgive a backhander togive a sweetener to
   • 6. pass (a ball) across the field, especially towards the centre.
   • 7. set (a yard or other part of a ship) at right angles to the keel or other point of reference.
   • 8. (of a planet) have a square aspect with (another planet or position): "Saturn squares the Sun on the 17th"

   Word Origin Middle English: shortening of Old French esquare (noun), esquarre (past participle, used as an adjective), esquarrer (verb), based on Latin quadra ‘square’.

   Derivatives

   • 1. squareness noun
   • 2. squarer noun
   • 3. squarish adjective

   Scrabble Points: 15

   • S

     1

   • Q

     10

   • U

     1

   • A

     1

   • R

     1

   • E

     1

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   More definitions, origin and scrabble points

2. bbs.csdn.net › topics › 390089676为什么#define square(x) x*x有错误 - CSDN社区

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   Jun 10, 2012 · 宏定义（# define）及相关知识. 1、# define name (pargament-list) stuff 注意: (1)# define 后面不要加符号,因为在使用宏定义时也会加上符号。. (2)参数列表的左括号必须和name紧邻，如果二者之间有任何空白存在，参数列表就会被解释为stuff的一部分。. 如下面代码：10-1=9，9*9 ...

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   1. 用预处理指令#define 声明一个常数，用以表明1年中有多少秒（忽略闰年问题）#define SECONDS_PER_YEAR (60 * 60 * 24 * 365)UL 我在这想看到几件事情： 1). #define 语法的基本知识（例如：不能以分号结束，括号的使用，等等） 2). 懂得预处理器将为你计算常数表达式的值 ...

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   Jun 12, 2010 · 的话，答案显然不对。. 所以谁能给我一个定义带参数的宏，用于求某数的平方？. 谢谢！. 请发表友善的回复…. #define SQR (x) ( (x)* (x)) 这个问题主要考察的是对带参宏括号的用法，因为带参宏很容易因为参数直接替换为表达式而产生运算优先级上的混乱，导致 ...

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   Jan 29, 2009 · 在#define中使用参数 在#define中使用参数可以创建外形和作用与函数类似的类函数宏。例如 #define SQUARE(X) X*X 在程序中可以这样用： z = SQUARE(2); 这看上去像函数调用，但它的行为与函数调用完全不同。预处理器只做替换，不做计算也不求值。

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   在#define中使用参数 在#define中使用参数可以创建外形和作用与函数类似的类函数宏。例如 #define SQUARE(X) X*X 在程序中可以这样用： z = SQUARE(2); 这看上去像函数调用，但它的行为与函数调用完全不同。预处理器只做替换，不做计算也不求值。

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11. bbs.csdn.net › topics › 391975206lic（先积分卷积）具体解释及怎么使用方法 - CSDN社区

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    #define SQUARE_FLOW_FIELD_SZ 400 #define DISCRETE_FILTER_SIZE 2048 //卷积核的对应项，如果太小的话有些采样点就没有被卷积进去，影响图像效果 #define LOWPASS_FILTR_LENGTH 32.00000f #define LINE_SQUARE_CLIP_MAX 100000.0f //只要大于等于0就行，等于0时会出现黑色线条 #define VECTOR_COMPONENT_MIN 0.050000f