1964年11月3日,中国山西蓝田发现了猿人头盖骨.Ape - man skull was discovered on November 3 in Lantian County , Shaanxi.有些人相信我们是从猿人所进化的.Some people believe that we evolved from the apes.猿人化石遗迹有助于我们推断他们是如何生活的.The fossil remains of APE - man c...
The magnetic flowmeter is expensive but has found wide application.电磁流量计虽然价格昂贵,但用途广泛.The intention of this article is phase difference ultrasonic flowmeter.本论文的研究对象是相位差法超声波流量计.The design of Coriolis force mass flowmeter ...
Invariability, anti - static, flexibility and large touch surface of long - length rubber roller.超长胶滚轮设计,具有不变形 、 防 静电 、 弹性足、接触面积大等特点.In topology , the invariability deformations of geometric figures and is referred to as...