典型的噬菌体有存储它们病毒DNA的空心头部和带有尖端的隧道式尾巴，此尖端表面有它们的目标细菌的分子。
Typical phages have hollow heads that store their viral DNA and tunnel tails with tips that bind to specific molecules on the surface of their target bacteria.
简单的存储管理体系(将重要的文档放在键盘附近，其余文档分大致分类并堆放在各处表面)只消很少的时间就可管理。
A rough storage system (important papers close to the keyboard, the rest distributed in loosely related piles on every flat surface) takes very little time to manage.
电荷存储元件——电容器，可以快速地充放电，但是因为电荷被存储在电容器金属片的表面，所以电荷容量有限。
Electrical storage devices known as capacitors charge and discharge very quickly, but because they hold their charge on the surface of metal plates, their storage capacity is limited.
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