黑柱石是一种少见的含钙铁硅酸盐矿物.Ilvaite is a rare mineral of calcium - iron - bearing silicate.含铁硅酸盐矿物:有橄榄石 、 黑榴石、十字石 、 黑柱石 、 普通辉石等.III. silicate mineral contain iron , include olive stone, black column stone, common picrite etc....
I was constantly ill, with a baffling array of symptoms.我一直病着，出现了一系列让人不解的症状。Part of results from simulation to ARGO array using this program are also listed and studied.并给出了利用该程序所得到的有关ARGO阵列的性能的部分模拟结果.The towed array son...
超声波电机的输出特性与驱动频率呈非线性关系.The relations of ultrasonic motor output characteristics and drive frequency are nonlinear.定义了开关磁阻电机的电压矢量.It defines the voltage vector for Switched Reluctance Motor.阐述了变磁极性直流电机的极性换向控制.Discussed the...