当它们发现干旱期延长时，它们会改变自己的新陈代谢，在它们的组织中产生糖和某些与应激相关的蛋白质和其他物质。
When they detect an extended dry period, they divert their metabolisms, producing sugars and certain stress-associated proteins and other materials in their tissues.
现在为了《暗物质》杂志的第一期发行，它们将被分为三个部分公布。《暗物质》在线杂志为您带来全世界最优秀的科幻短篇小说新作。
They are being released now, in three parts, to mark the first issue of Darker Matter, the online magazine that brings you the best new SF short stories from around the world.
另一种方法则涉及采集活检组织样本来收集含遗传信息的物质，10年期间共采集了43个样本。
The other involved collecting biopsy tissue samples to gather genetic material, with a total of 43 taken over a 10-year period.
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