Stephen G. Bowen of the Navy, a former submariner, and Piers J. Sellers, a British-born astronaut who arranged to carry a piece of bark from Isaac Newton’s apple tree into the weightlessness of space.
皮尔斯还肩负了一个特殊的任务安排：将一块取自艾萨克.牛顿苹果树的树皮，带入零重力的太空中。
The minimum sample area of the herb stratum is mainly affected by s but those of the tree and shrub stratum are mainly affected by J.
草本层最小取样面积动态主要受s的影响，而乔、灌木层的最小取样面积变化则与J紧密相关。
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