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- In this paper experiments of image segmentation on Quaternary strata are made on RS image by morphologic methods. 摘要利用数学形态学的方法对遥感影像的第四系地层进行了影像分割实验。
- By applying above methods, satisfying effects have been achieved during the exploration of shallow biogenic gas in late Quaternary strata of Hangzhou Bay area. 在杭州湾地区晚第四系浅层生物气藏勘探中，这些方法在识别第四纪地层基底、划分岩性岩相、预测储层和天然气层等方面取得了较好的应用效果。
- Seismic prospecting in the area of thin Quaternary strata difficuult to get the reflected wave from bottom of Quaternary strata, so can not to interpret the thickness of Quaternare strata. 在煤田地震勘探中，当第四系地层厚度较薄时，从野外观测到资料处理都较难得到来自第四系地层底界的反射波，因此无法解释第四系地层厚度问题，而这一问题又常常是要解决的地质任务之一。
- Sediment Regulation of the Quaternary Stratum in the Drainage Basin of Huai River (Henan Section) 淮河流域(河南段)第四纪地层沉积规律
- Surface Character and Sedimentary Environment of the Quartz Grains in the Quaternary Strata in Kunlun Mountains Pass Area 昆仑山垭口地区第四纪地层石英砂表面特征与沉积环境
- late Quaternary strata 晚第四纪地层
- Quaternary strata 潮流沙席
- We can follow the history of life through the strata. 我们可以通过这一层层的地层跟踪生命的历史。
- The Quaternary sediments are largely undeformed. 第四纪的沉积物大部分未变形。
- Cationics are usually quaternary ammomium salts. 阳离子表面活性剂通常为季铵盐类。
- They represent each society stratum. 他们代表各个社会阶层。
- The older strata gradually disintegrate. 较老的岩层渐渐风化。
- The older strata gradually disintegrated. 年代较久的地层逐渐崩解了。
- Design of quaternary Schmitt circuits. 四值施密特电路设计。
- IS THERE REALLY QUATERNARY GLACIATION ON LUSHAN? 庐山真的有第四纪冰川吗?
- They do not constitute a separate class or stratum. 知识分子和青年学生并不是一个阶级或阶层。
- These strata, lying apparently in contact, are in fact abysmally separated. 这些表面上相触的地层实际上相隔很远。
- To expose(rock strata)by erosion. 剥蚀因腐蚀而露出（石层）
- He hates the privileged stratum. 他憎恨特权阶层。
- They belong to the rich strata and never work. 他们属于富裕阶层，不干活。
