光束

light-adapted eye

适光眼

光窗 light window | 适光眼 light-adapted eye | 光束光阑 light-beam diaphragm

low-boiling

低沸点的,低温沸腾的

low-beam headlight 低光束头灯 | low-boiling 低沸点的,低温沸腾的 | low-capacitance cable 低[分布]电容电缆

luminosity curve

发光度曲线

luminosity classification || 光度分类 | luminosity curve || 发光度曲线 | luminous beam || 光线,光束

outdoor oil circuit breaker

露天油断路器

outdoor infrared beam detector 户外式红外光束检测器 | outdoor oil circuit breaker 露天油断路器 | outdoor pedestal type post insulator 户外针式支柱绝缘子

refocusing

再聚焦

refocused revolving beam 再聚焦旋转光束 | refocusing 再聚焦 | refocusing method 再聚焦法

Planets and nebulas

行星與雲翳

Light beam from Deneb天津四發出的光束 | Planets and nebulas行星與雲翳 | In Earth's shadow地球的陰影區

ray filter

滤光镜

ray envelop 光束包络,射线包迹 | ray filter 滤光镜 | ray of light 光线

waist anchor

备用主锚

waist ==> 收敛,腰,腰部,腰窝加工,(收敛部分)光束腰=>ウエスト | waist anchor ==> 备用主锚 | waist breast ==> 腰部横缆

two-rate two-part prepayment meter

双价率两部电度预付计

two-rate meter ==> 双额电表 | two-rate two-part prepayment meter ==> 双价率两部电度预付计 | two-ray interference ==> 双光束干涉

two-blade drag

双刃刮路机

two-beam polarization interferometer 双光束偏振干涉仪 | two-blade drag 双刃刮路机 | two-boson laser 双玻色子激光器

Supposed to Be：应该吧

我想我该睡了 i think i should slp | 应该吧 supposed to be | 希望 hope so

Plain Weave：平布

509 hopsack 方平织物 | 510 plain weave 平布 | 511 panama 巴拿马薄呢