“lens shim”的概念、定义、翻译、参考文献-科学参考

单词	lens shim
释义	lens shim [`lenz ´shim] ^OPTICS Thin piece of material used to position and focus a lens.
随便看	vertical obstacle sonar vertical or short takeoff and landing aircraft vertical oscillator vertical parity check vertical pitch vertical polarization vertical-position welding vertical recording vertical redundancy check vertical resolution vertical retort process vertical retrace vertical scale vertical seismograph vertical separation vertical separator vertical slip vertical speed indicator vertical stability vertical stretching vertical sweep vertical synchronizing pulse vertical tab vertical tail vertical takeoff and landing

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