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- calcareous chert 钙质燧石
- Chert Jie is looking at some picture. 教师引导学生看主情景图。
- Plants from the high-lime plots grew better on calcareous soil. 高石灰小区的植株在石灰质土上生成较好。
- Any of various hard,dark-colored rocks,especially basalt and chert. 暗色岩一种坚硬、暗色的岩石,尤指玄武石及燧石
- The sediments in this photo curve near the ends of chert pods. 这沉淀物在这幅图片的曲线近似冷凝物的黑矽石的扁豆形矿体。
- A small round calcareous grain found,for example,in limestones. 鲕粒岩含有圆形小颗粒的石灰质岩石,如在石灰岩中
- Paleontologists know chert as a good place to look for fossils. 古生物学家以黑硅石为化石采集地点的标志。
- A small round calcareous grain found, for example, in limestones. 鲕粒岩含有圆形小颗粒的石灰质岩石,如在石灰岩中
- At the same time, calcareous could drain in the body. 同时,还会造成身体内钙质的流失。
- Thus we can better understand the deformation of chert in a highly fluid form. 这样我们就能更好地理解燧石在高度流体状态时的变形情况。
- Any of various hard, dark - colored rocks, especially basalt and chert. 暗色岩一种坚硬、暗色的岩石,尤指玄武石及燧石
- Any of various hard, dark-colored rocks, especially basalt and chert. 暗色岩一种坚硬、暗色的岩石,尤指玄武石及燧石
- A buff to gray windblown deposit of fine - grained,calcareous silt or clay. 黄土一种风沉积而成的颗粒细小、含钙质的沙或泥土,呈浅黄色或黄褐色
- A buff to gray windblown deposit of fine.- grained,calcareous silt or clay. 黄土一种风沉积而成的颗粒细小、含钙质的沙或泥土,呈浅黄色或黄褐色
- The calcareous and siliceous rock deposits of springs, lakes, or ground water. 泉华泉、湖或地下水中的。
- A buff to gray windblown deposit of fine-grained, calcareous silt or clay. 黄土一种风沉积而成的颗粒细
- The hard, calcareous substance covering the exposed portion of a tooth. 珐琅质,牙釉质牙暴露部分表面的硬的钙质的覆盖层
- The desorption kinetics of phosphorus from calcareous soil in China. 磷在土壤中的解吸动力学。
- The thin-beded siliceous-rocks include chert and depositional quartz with textures of oolite and pebble. 矽质岩包括燧石和沈积石英岩,呈薄层状产出,沈积石英岩具鲕状、砾状结构。
- When the mood is agitated, eats rich calcareous archery target food suitably. 当心情烦躁时,宜多吃富含钙质的食物。