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- Ball and beam system is a classical instable system whose mathematical model is constructed in this paper. 摘要球杆系统是一种经典的不稳定控制系统。
- He swiped at the ball and missed it. 他向球猛击，但未打中。
- He fumbled the ball and then dropped it. 他笨手笨脚的漏接了球。
- Switching Control for Ball and Beam System 球杆系统的切换控制
- I'll throw the ball and you catch it. 我扔球你接。
- The batsman chopped at the ball and missed it. 棒球手猛力击球，但打空了。
- The width of goal line and ball doorpost and beam is identical. 球门线与球门柱和横梁的宽度是相同的。
- The pitcher let go a fast ball and the batter swung and missed. 投球手投出一个快球，击球手晃了一下，没有接到。
- Insulation of separate wall and beam in Ref. RM. 冷库隔墙及顶大梁处绝缘。
- The steady accumulation of small debts was a ball and chain to his progress. 不断累积的小债务妨碍了他的发展不断累积的小债务妨碍了他的发展。
- Study of EEG and BEAM in 825 healthy elders. 825例健康老人的脑电图、脑电地形图分析
- He caught the ball and flung it back. 他接住球，然后把它扔回去。
- If you don't get on the ball and start studying harder, you're going to flunk. 如果你不积极进取，更加努力学习，你就会考不及格的。
- The prisoner is fettered with a ball and chain attached to one ankle. 这个囚犯脚上带着一根系有铁球的脚链。
- The Negro prisoner was forced to wear a ball and chain attached to one of his ankles. 那个黑人囚犯被迫在一只脚上带上了系有铁球的脚链。
- He got the ball and did a beautiful header. 他抢到了球，漂亮地用头顶了一下。
- Bounce the ball and try and hit it over the net. 让球反弹起来，然后试把它打过网。
- He swiped at the ball and missed. 他挥棒击球但没击中。
- Owen pounced on the loose ball and scored. 欧文对准无人控制的球就是一脚，破门得分。
- Focusing Characteristics and Beam Quality of Phase Aberrated Beam[J]. 引用该论文 钱列加;张筑虹;朱宝强;詹庭宇;范滇元.
