开球线

An offensive backfield player whose position is behind the quarterback and halfbacks and who primarily performs offensive blocking and line plunges .

进攻后卫位于四分卫和中卫之后的在守卫区进攻的队员，主要在对方守区内拦球和越过对方开球线

An offensive backfield player whose position is behind the quarterback and halfbacks and who primarily performs offensive blocking and line plunges.

进攻后卫位于四分卫和中卫之后的在守卫区进攻的队员，主要在对方守区内拦球和越过对方开球线她是一名种子选手。

Line across a billiard table behind which the cue balls are placed at the start of a game.

台球桌上的一条线，开球时主球放在这条线的后面。

One of the spaces between the cushion and the balk line on a billiard table.

开球区台球桌的橡皮边和阻碍线之间的空间之一

" "I remember, he pulled up for two or three threes, right at the hash [the mark on the sideline 28 feet from the baseline] and we were like,'You can shoot that all day.

我记得他在右侧中场开球线（底线距边线28英尺的标记处）附近停下了两三次或更多，那是我们喜欢的地方。

Wide receiver RANDY MOSS of the New England Patriots, linebacker JAMES HARRISON of the Pittsburgh Steelers, and kick returner JOSHUA CRIBBS of the Cleveland Browns are the AFC Offensive, Defensive and Special Teams Players of the Month for November, the NFL announced today.

新英格兰爱国者外接手兰迪。莫斯、匹兹堡钢人线卫詹姆斯。哈里森和克利夫兰布朗开球回攻手约书亚。克里布斯分别当选为2007年11月美联最佳进攻、防守和特勤组球员。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。