stratum
美式发音: [ˈstrɑtəm] 英式发音: [ˈstrɑːtəm]n.地层；阶层；岩层
网络释义：发现地层；社会阶层；阶层架构
复数：strata 同义词n.layer,band,level,division,branch
网络释义
stratum显示所有例句n.1.层；岩层；地层a layer or set of layers of rock, earth, etc.
2.阶层a class in a society
people from all social strata来自不同社会阶层的人
n.1.地层;层2.阶层
n.1.a group or class in society2.a layer of a particular type of rock
1.地层 stratigraphy 地层(组合)；地层学 stratum 地层 streampne 流线 ...
2.阶层 Jester 小丑 Stratum 阶层 Sultan 苏丹 ...
3.发现地层 白垩纪晚期 分布( found in) 蒙古 发现地层( stratum) 植食 典型状态( length up to) ...
4.社会阶层 desideratum 必需品，要求 stratum 地层，社会阶层 substratum 基础，根据 ...
5.岩层 研讨会 symposium 岩层;阶层 stratum 儿童 child ...
6.阶层架构 Archaean Eon 太古宙（宇） stratum 地层对比 horizon 标志层 ...
例句释义:,地层,阶层,岩层,发现地层,社会阶层,阶层架构1.The model is only suitable to isotropic elastic soil, but the soil stratum in real engineering site is always layered and anisotropic one.这种模型适合各向同性的单一土层，而实际工程场地的地基土多是各向异性的成层土层。
2.It may be the only art form that remains legal and yet savoured by people across every social stratum.这可能是唯一的仍然为社会各阶层的人所品尝的正当的艺术形式。
3.is good, the use stratum was more widespread, promotes the drill rod to carry on the reverse to close the putty mouth ahead of time.特点是钻头密闭性较好，使用地层较为广泛，提升钻杆需先期进行反转合上进泥口。
4.Evans says previously researchers had proposed that the stratum corneum had a structure that was capable of expanding as it absorbed water.在此之前，埃文斯说，研究人员提出皮肤角质层中有一种结构在吸水时会扩张。
5.During microdermabrasion, fine crystals usually remove the superficial or uppermost layer of the epidermis, known as the stratum corneum.在微晶磨皮过程中，微晶体能消除表皮上面的或者凸起的部位被称为角质层。
6.Because of a great deal of reasons, a lot of legitimate rights and interests of this stratum have less than guarantee.由于诸多原因，这一阶层的很多合法权益得不到保障。
7.During this course, the independence and differentiation of the supervisor (as a stratum) become inevitable and out of anyone's control.国有企业劳动关系格局中管理者阶层的独立与分化，是一个必然的、不以人的意志为转移的过程。
8.A great deal of analysis and research indicates that the crack damage is controlled by the key stratum in the overburden strata.大量研究表明，这种裂缝损害受覆岩中关键层的控制。
9.If stratum have gas that would be a serious threat to the subway tunnel construction and its following safe.地层中若存在瓦斯就会严重威胁地铁隧道施工及后续运营安全。
10.peasant workers are special stratum since the beginning of China's reform.农民工阶层是我国改革开放以来形成的一个特殊群体。