但通过控制纤维产生过程中的压力方向，可能产生在某些情况下能调整自身形状的变形复合材料。
But by controlling the direction and the tension of the fibres during their construction it is possible to produce a morphing composite, which adjusts its shape under certain conditions.
这是因为B族维生素复合物参与脑细胞的所有生理过程，从维持脑细胞健康到代谢碳水化合物产生能量。
That's because compounds in the B complex are needed for everything from the healthy maintenance of brain cells to the metabolism of carbohydrates, the brain's source of fuel.
在过去，研究者们已经测量过一些机体在可能对抗感冒过程中或由感冒病毒诱发产生的特殊的复合物。
In the past, researchers have measured specific compounds made by the body that may protect against a cold or may be triggered by a cold virus.
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