石英钟

quartz alarm clock

石英闹钟

quartz accelerometer 石英加速度表 | quartz alarm clock 石英闹钟 | quartz analog clock 模拟石英钟

Double virgule escapement

双钩擒纵机构

数字式石英钟机芯 quartz digital clock movement | 双钩擒纵机构 Double virgule escapement | 双金属摆轮 Bimetallic Balance

technology of natural lac dye for foods

天然食用紫胶染色素生产技术

technology of manufacturing solar energy quartz clock 太阳能石英钟制造技术 | technology of natural lac dye for foods 天然食用紫胶染色素生产技术 | technology of nitrogen generator 氮气发生器技术

quartz cat's-eye

石英猫睛石

石英玄武岩 quartz basalt | 石英猫睛石 quartz cat's eye | 石英钟 quartz clock

photoperiodic response：光周期响应

photoperiodic induction 光周期诱导 | photoperiodic response 光周期响应 | photoperiodism 光期性

Multi-Variate Statistical Analysis：多元统计剖析

311. 多项距阵 Multi-Nominal Matrix | 312. 多元统计剖析 Multi-Variate Statistical Analysis | 313. 发电厂 Power Plant