Considering the restriction of the effective transportation capacity, two-arm stretching mechanism, as a new scheme of deployable arm, is proposed in this thesis and has been primarily designed.

考虑卫星、天线结构和运载工具有效空间的限制，本文提出了天线展开臂由大臂和小臂两部分组成的设计方案，并对天线展开臂进行了初步的结构设计。

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I muttered, knocking my knuckles through the glass, and stretching an arm out to seize the branch; instead of which, my fingers closed on the fingers of a little, ice-cold hand!

我咕噜着，用拳头打穿了玻璃，伸出一个胳膊去抓那条树枝。可我的手指头没抓到它，却碰着了一只冰凉小手的手指！

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“Farewell bright sun, ” she cried, stretching out her arm towards it； and then she walked a short distance from the house； for the corn had been cut, and only the dry stubble remained in the fields.

“再会吧，您，光明的太阳！” 她说着，同时向空中伸出双手，并且向田鼠的屋子外面走了几步——因为现在大麦已经收割了，这儿只剩下干枯的茬子。

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