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- Trace Elements Geochemistry of the Black Rock Series from Bayan Obo Group and Their Geological Implications 白云鄂博群黑色岩系微量元素地球化学特征及地质意义
- the black rock series 黑色岩系
- The black rocks stood out starkly against the sky. 那些黑色的岩石在天空衬托下十分显眼。
- In South China,the Early Cambrian black rock series is rich in metallic and nonmetallic mineral ersources. 我国南部早寒武世黑色岩系中,蕴藏丰富的金属和非金属矿产。
- West Tianshan in Xinjiang is the part of Middle Asia Tianshan in China, Within West Tianshan, there are widely distributed Palaeozoic black rock series. 摘要新疆西天山为中亚天山在中国境内的西延部分，分布有大量的古生代黑色岩系。
- Abundant nonferrous metallic, precious metallic, rare earth metallic and nonmetallic mineral resources are hosted in the Early Cambrian black rock series in south China. 摘要我国南方早寒武世黑色岩系中，蕴藏着丰富的有色金属、贵金属、稀土金属和石煤及非金属矿产。
- Before us was a mighty chasm in the black rock, jagged, torn, and splintered through it in a far past age by some awful convulsion of Nature. 我们前面是一道黑黝黝的巨大的深渊，大约很久很久以前一次可怕的大震动将它崩裂撕扯成这种锯齿獠牙般模样。
- the gold deposit of black rock series type 黑色岩系金矿床
- ore deposit in black rock series 多金属矿床
- He whipped up a pistol and shot at the black bear. 他急忙抓起手枪，向那头黑熊射击。
- Many people were taken off by the Black Plague. 许多人被黑死病夺去了生命。
- The black sedan suddenly drew out into the traffic. 黑色轿车突然开动，驶进了车流。
- Jim staked all his money on the black horse. 吉姆把所有的钱都押在那匹黑马上了。
- My brother is the black sheep of the family. 我弟弟是我们家的害群之马。
- ON THE METALLOGENESIS AND ORE-PROSPECTING OF BLACK ROCK SERIES 黑色岩系成矿作用及相关金属矿床找矿
- The black clouds threatened rain. 乌云密布预示着将要下雨。
- THE ORE TYPE IN LOWER CAMBRIAN BLACK ROCK SERIES IN CHINA 我国下寒武统黑色岩系的矿产类型
- It is aimed at stopping the black market. 它的目的是制止黑市交易。
- A business must stay in the black to keep on. 一个公司必须盈利才能维持。
- A lonely star shone out against the black sky. 一颗孤星在黑色的夜空中闪闪发亮。
