虽然已知形成神经嵴细胞的能力在“阶段10”后会衰减，研究者们仍在寻找这些重要的干细胞形成早期的周围条件。

While it was known that the ability to form neural crest cells declines after "stage 10," the researchers were seeking the earliest conditions surrounding formation of these important stem cells.

youdao

随着年龄的增长，这些条件可能会变，它周围的区域可能不再适合它的后代。

As it ages, these conditions may change and the area around it may no longer be suitable for its offspring.

youdao

该需求也适用于手动测试，区别在于测试人员可以“照顾”交互并且经常让测试不工作来工作于未初始化的开始条件周围。

This need applies also to manual testing, the difference being that the human tester can "babysit" the interaction and often fix the test on the fly to work around uninitialized starting conditions.

youdao