“focometer”的概念、定义、翻译、参考文献-科学参考

单词	focometer
释义	focometer [fō`kam·ǝd·ǝr] ^ENGINEERING An instrument for measuring focal lengths of optical systems.
随便看	secular equilibrium secular parallax secular perturbations secular trend secular variable secular variation secund secundine dike secure secure visual communications secure voice securinine securite explosive security security classification security clearance security control officer security kernel security reporting/alerting system SED sedation sedative Sedentaria sedentary soil sedifluction

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