主要控矿条件包括地层 、 构造和岩浆岩.The ore controlling condition is mainly composed of strata, magma, and structure.火山爆发的时候,岩浆岩把整个城市都淹没了.The magma submerged the whole city when the volcano erupted.断裂和岩浆岩是两大重要的成矿地质条件.The hydrothermal so...
某些脉冲星发送脉冲比地球上最精确的时钟都准时。Some pulsars keep time better than the earth's most accurate clocks.埃尔加给自己的作品标上了精确的节奏标记。Elgar supplied his works with precise indications of tempo.即便很精确的病历也可能让医生产生错误的印象。Doctors can get the wro...
存在着许多势能和动能的能源.There exist many sources of energy both potential and kinetic.最大势能和总能量是 多少 ?What are the maximum potential energy and the total energy?因此,我们可以说,该系统有内势能.We can therefore say that the system has internal pote...
请于今日将随函附上的捐款表格用所提供的邮资预付的信封寄回。Return the enclosed Donation Form today in the prepaid envelope provided.要了解这些产品的详细信息，请寄来标明HB/FF字样的明信片。For more details about these products, send a postcard marked HB/FF.他去年把这些文件寄给了法国记者。Last...