[ 复数 balls 第三人称单数 balls 现在分词 balling 过去式 balled 过去分词 balled ]
通常来说,一般人使用X-Ray都只能看看焊锡有没短路(short)、少锡、气泡(void),但如果要用来判断BGA的锡球(ball)是否有空焊就有点难度,当然这里指的是2D的X-Ray,其实如果细心一点的话还是可以找到一点点蛛丝马迹来判断是否有空焊喔!
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...的前身,也是体育舞蹈运动的基础项目。该舞蹈从第二次世界大战 交谊舞和国标舞的区别?是不是就是一种 交谊舞的含义更广泛一些,要求也更低一点,主要是舞会(Ball)的消遣。而国标全称国际标准舞蹈,来源于交谊舞但相对交谊舞而言有更严格的要求以及标准的动作,作用大多是比赛,分为拉丁(Lati...
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Microsoft Word - 2013_8_9-14B.doc 关键词:球体、旋转、撞击 [gap=7921]Key words: ball, spin, impact.
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BALL Bearing [机] 滚珠轴承 ; [机] 球轴承 ; 滚珠 ; 滚球轴承
DRAGON BALL 七龙珠 ; 龙珠 ; 七龙珠国语配音全系列 ; 龙珠超宇宙
ball lightning [气象] 球状闪电 ; 闪电球 ; 球形闪电 ; 爆雷炼球
jump ball 跳发球 ; 跳球 ; 羊角球
ball mill [机] 球磨机 ; 球磨 ; 球磨粉机 ; 兰特把大颗粒晶体研磨
Crystal Ball 水晶球 ; 新年预测 ; 狗头包 ; 透明水晶球
Dragon Ball Z 七龙珠Z ; 龙珠Z ; 龙珠 ; 龙珠Z主题曲
ball valve [机] 球阀 ; 球形阀 ; 浮球阀 ; 球形活门
foul ball 界外球 ; 三○界外球 ; 三零界外球 ; 界中球
It was found that images of balls with different sizes and different colors had the same grey level distortion patterns, and the grey level iistortion would increase with the increasing of distance from the center of ball images.
通过分析发现,不同大小和不同表面颜色球体的图像具有相同的灰度失真规律,失真灰度值随着到球心距离的增加逐渐变大。
参考来源 - 球体图像的灰度变换与颜色变换模型及其在柑桔图像校正中的应用研究·2,447,543篇论文数据,部分数据来源于NoteExpress
"the ball travelled 90 mph on his serve"; "the mayor threw out the first ball"; "the ball rolled into the corner pocket"
"they had to carry a ramrod as well as powder and ball"
同义词: musket ball
"a ball of fire"
"the ball was already emptying out before the fire alarm sounded"
"she kicked him in the balls and got away"
"he played with his rubber ball in the bathtub"
同义词: Lucille Ball
"a ball of mud caught him on the shoulder"
同义词: formal
"the ball at the base of the thumb"; "he stood on the balls of his feet"
"he threw nine straight balls before the manager yanked him"
"ball wool"
以上来源于: WordNet
N-COUNT A ball is a round or oval object that is used in games such as tennis, baseball, American football, basketball, and soccer. 球
...a golf ball.
…一个高尔夫球。
N-COUNT a ball propelled in a particular way in a sport 运动中以特殊的式往前滚动的球
a high ball
N-COUNT any of various rudimentary games with a ball 基础的球类运动
to play ball
N-COUNT A ball is something or an amount of something that has a round shape. 球状物
Thomas screwed the letter up into a ball.
托马斯把信揉成一团。
V-T/V-I When you ball something or when it balls, it becomes round. 使...成球状; 成球状
He picked up the sheets of paper, and balled them tightly in his fists.
他捡起那几张纸,在手里紧紧地攥成团。
N-COUNT The ball of your foot or the ball of your thumb is the rounded part where your toes join your foot or where your thumb joins your hand. (脚趾与脚掌之间或大拇指与手掌之间的) 球状部位
N-COUNT A ball is a large formal social event at which people dance. (正式的) 舞会
My Mama and Daddy used to have a grand Christmas ball every year.
我妈妈和爸爸以前每年都要办一场盛大的圣诞节舞会。
PHRASE If you are having a ball, you are having a very enjoyable time. 玩得高兴 [非正式]
Outside the boys were sitting on the ground and, judging by the gales of laughter, they were having a ball.
男孩子们在外面席地而坐,从他们发出的阵阵笑声来看,他们玩得很开心。
"They don't find their place in the traditional team sports or ball sports and they're looking for something else.
VOA: special.2009.09.11
No. That's completely the wrong way to go about thinking what it's like to be a ball point pen.
并不是,这样想象圆珠笔的感觉,是完全错误的。
Yeah, run the ball is called, when you run the ball, generally you only do it from 10 yards.
是的,就叫“带球跑”,带球跑的时候,你通常只从十码的地方开始。
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