Photo: a pair of sisters dressed as a grape and a carrot pass out plates to Senate staffers in Washington, D. C., with a message urging them to pass a nutrition bill.
图：华盛顿特区，一对身穿葡萄服和胡萝卜服的姐妹向参议员分发盘子以传递督促他们通过营养议案的信息。
Photo: a pair of sisters dressed as a grape and a carrot pass out plates to Senate staffers in Washington, D.C., with a message urging them to pass a nutrition bill.
图：华盛顿特区，一对身穿葡萄服和胡萝卜服的姐妹向参议员分发盘子以传递督促他们通过营养议案的信息。
Cymbal is a pair of round brass plates.
铙钹是一对黄铜圆盘。
We are going to find out the minimum critical loading for cantilever rectangular plates subjected to various edge loadings symmetrically on a pair of opposite free edges.
我们将对在悬臂矩形板的一对相对的自由边作用有不同的对称边界荷载时，求出薄板的最小临界力。
First pair of fairing plates fitted and propeller being checked for fit.
首先对整流罩板装配和螺旋桨被检查合适。
First pair of fairing plates fitted and propeller being checked for fit.
首先对整流罩板装配和螺旋桨被检查合适。
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