当我们注意到了建筑上可循环玻璃砖和用竹鞘保护起来的石柱，又不禁会问这些稀有而并不实用的材料是否真的有必要用？
And while we ran our fingers over recycled glass block and eyed bamboo-sheathed columns we couldn't help but notice the luxurious addition of some rare and not necessarily sustainable materials.
但原植体耐光性比藻丝体强，说明在野外胶鞘对保护发菜免受强辐射伤害有重要意义。
But photostability of thallus is better than that of filament, which means sheath can protect cells form radiation.
昆虫和软体动物等一些动物的装卵的保护囊；卵鞘。
A protective capsule of certain animals, such as insects and mollusks, that contains eggs; an ootheca.
结论：在周围神经损伤后脊髓及神经节内神经元有凋亡发生，嗅鞘细胞移植对神经元凋亡有保护作用。
CONCLUSION: There are apoptotic neuron in the spinal cord and ganglion after peripheral nerve injury, while the OECs has protective effect on apoptotic neurons.
目的探讨大型听神经鞘瘤的显微外科手术治疗的技巧、效果及面听神经的保护。
Objective To explore the microsurgical technique and results of the large acoustic neurinoma and the facial nerve preservation.
3剑鞘保护剑的锋利，自己却满足于它自己的迟钝。
Thee scabbard is content to be dull when it protects the keenness of the word.
鞘安于钝，以护剑利。 （刀鞘保护刀的锋利，它自己则满足于它的迟钝。
The scabbard is content to be dull when it protects the keenness of the sword.
鞘安于钝，以护剑利。 （刀鞘保护刀的锋利，它自己则满足于它的迟钝。
The scabbard is content to be dull when it protects the keenness of the sword.
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