Cu c th 解散
TH-GM-C 实验室台
th c 世纪
th & C 地址
TH-C 磁力搅拌器
Th C Bx 硬纸盒子
Mk My Th C 麦克·梅尔斯
th c probflimflam cf tipsy 步伐蹒跚的
Th By C 绿玉皇冠案
Quite early. In the unearthed bones which date back to the 16 th B. C., the Chinese had been using the lunar calendar.
很早。在出土的16世纪前的骨头中，中国人就已经使用阴历了。
It is obvious th at A. C. motors are superior to D. C. motors in many appli cations.
显然，交流电机在许多应用场合比直流电机优越。
These figures began to appear during the 15 th century B. C. in Mycenaean sanctuaries and tombs.
这些数字开始出现在15世纪迈锡尼保护区和墓葬年代。
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