“zoom lens”的概念、定义、翻译、参考文献-科学参考

单词	zoom lens
释义	zoom lens [`züm ¦lenz] ^OPTICS A system of lenses in which two or more parts are moved with respect to each other to obtain a continuously variable focal length and hence magnification, while the image is kept in the same image plane. Also known as variable-focal-length lens; varifocal lens.
随便看	single-unit semiconductor device single-V groove weld single welded joint single-wire line singly linked ring singly periodic function singular arc singular corresponding point singular integral singular integral equation singularity singularity theorems singular matrix singular point singular solution singular transformation singular values singultus sinh sinhalite sinistral fault sinistral fold sinistrorse sinistrorse curve sinistrorsum

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