If that's the case, studying how these spiders' weaving skills deteriorate with age could help scientists learn more about aging's effect on human behavior, too.
如果真的如此，研究蜘蛛的织网能力是怎样随年龄退化的，或许有助于科学家了解更多关于人类的衰老行为现象。
Cement mortar in engineering structures is often subjected to the effect of erosive ions and thus performance of cement mortar will deteriorate.
工程结构中的水泥砂浆在使用过程中经常会受到侵蚀性离子的作用，致使水泥砂浆性能劣化强度降低。
Some safety parameters deteriorate, such as lower Doppler effect, lower delayed neutron effectiveness and high- er sodium void effect.
在反应性参数方面，导致多普勒效应与有效缓发中子份额降低，钠空泡效应增大；
Some safety parameters deteriorate, such as lower Doppler effect, lower delayed neutron effectiveness and high- er sodium void effect.
在反应性参数方面，导致多普勒效应与有效缓发中子份额降低，钠空泡效应增大；
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