Skydivers on Monday try to set a record for a 300-person freefall formation. Pictured is the first of three attempts above Eloy, Arizona.
本周一，美国花样跳伞运动员们试图创立一项300人自由降落编队的纪录。照片所示是在亚利桑那州艾洛伊镇上空三次尝试中的第一次。
Because the leaves on a tree branch all grow at the same end of the branch, Eloy modeled the force of wind blowing on a tree's leaves as a force pressing on the unanchored end of a cantilevered beam.
由于同一根树枝上的叶子都长在同一侧，因此在埃洛伊的模型中，作用于树叶的风力都施加在这一悬臂结构的非固定端。
Because the leaves on a tree branch all grow at the same end of the branch, Eloy modeled the force of wind blowing on a tree's leaves as a force pressing on the unanchored end of a cantilevered beam.
由于同一根树枝上的叶子都长在同一侧，因此在埃洛伊的模型中，作用于树叶的风力都施加在这一悬臂结构的非固定端。
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