When the galvanometer reads zero the circuit is in the null - balance position.当检流计的读数为零时,电路处于零平衡位置.Rescinded civil acts shall be null and void from the very beginning.被撤销的民事行为从行为开始起无效.Truncate insignificant trailing zer...
These bands must introduce longitudinal asymmetry in the planetary albedo.这些云带必定引起行星反照率的经向不对称性.If the stellar spectrum is known, the albedo of the dust can be obtained.如果恒星的光谱已知, 就可得出尘埃的反照率.Cloudy areas can also be areas...
只有高氯酸盐表现有显著的感度和可能具有起爆性能.Only the perchlorate shows marked sensitiveness and possibly initiating properties.目的〕研究建立测定烟火药剂中高氯酸盐含量的方法.A method for determination of perchlorates content in pyrotechnic compositions was establ...