“line of observation”的概念、定义、翻译、参考文献-科学参考

单词	line of observation
释义	line of observation [`līn ǝv ´äb·zǝr`vā·shǝn] ^ORDNANCE A line from a position finder to a target at the exact time of a recorded observation.
随便看	two-sphere two-stage design two-stage experiment two-stage hoisting two-stage sampling two-state Turing machine two-step grooving system two-step test two-stroke cycle two-symbol Turing machine two-tailed test two-tail test two-tone diaphone two-tone keying two-tone modulation two-valued logic two-valued variable two-way slab two-way time transfer two-way valve two-wire circuit two-wire repeater two-year ice TWX machine TWX service

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