Kevlar fiber helps to strengthen the cable and prevent breakage.
芳纶纤维有助于增强有线和防止破损。
To prevent breakage during shipping, the samples should be adequately packaged in a sturdy container.
为了防止在运输过程中泄露，样品应当要装在耐用的容器中。
Incidentally, thicker shells also help prevent breakage for birds that lay eggs on rocks, and for ostriches and rheas.
而这厚壳也能帮助防止鸟儿下在岩石上蛋的破裂，对于鸵鸟和美洲鸵也是一样。
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