这只表，这是由日本石英机芯，防水可达165英尺。
This watch, which is powered by Japanese-quartz movement, is waterproof up to 165 feet.
运动：日本石英，30米防水，不锈钢，硬矿物晶体和不锈钢底盖带：弹簧钢。
Case: Custom 30 meter stainless steel, with hardened mineral crystal, and stainless steel caseback.
测定了一些玻璃的应力光学常数。石英玻璃的数据与美国、日本的结果很接近。
The stress-optical coefficient of some glasses have been obtained. The experimental results for silica glass are in good agreement with that measured by U. S. A. and Japan.
测定了一些玻璃的应力光学常数。石英玻璃的数据与美国、日本的结果很接近。
The stress-optical coefficient of some glasses have been obtained. The experimental results for silica glass are in good agreement with that measured by U. S. A. and Japan.
应用推荐