This sandstone unit is commonly thick - bedded and massive, with silty and carbonaceous laminations.该砂层单元通常为厚层或块状, 具粉砂质和碳质纹层.Thin layers of sandy shale, and carbonaceous fragments are locally present.局部出现砂质页岩薄层和碳质碎屑.Beca...
If the probe sequence is able to hybridize tothe target, it will theand its fluorescence persists.如果探针序列能够和目标杂交, 它将不和金属微粒区结合,荧光持续存在.He persists in denying his knowledge of it.他一再否认知情.The tendency still persists.这种倾向一直存在....