1) bottom and top beds
顶底界限
2) top and bottom boundaries
顶底界
3) Top or Bottom Interface
顶底界面
5) base
[英][beɪs] [美][bes]
底界
1.
Resampling and restudy of the Penglaitan section reveal that Clarkina postbitteri cannot be used to define the base of the Lopingian because (1) The crinoid-bryozoan limestone at the top of the Maokou Formation just below the “first appearance” of this species reported by Mei et al.
蓬莱滩剖面的重新取样和再研究表明 ,Clarkina postbitteri不能作为乐平统底界的定义 ,因为 (1 )正是在 Mei et al。
6) limit
[英]['lɪmɪt] [美]['lɪmɪt]
界限
1.
A study of technical development limits for heavy oil reservoir with strong water sensitivity-taking Sha1 interval of Zheng36 block in Wangzhuang Oilfield as example;
强水敏性稠油油藏开发技术政策界限——以王庄油田郑36块沙一段为例
2.
Philosophical study on the limit of the periodic system of elements;
关于元素周期系界限的哲学思考
3.
Distinction of Limit between Law-breaking Advertisements and False Medicines;
准确把握违法广告与经营假药的界限
补充资料：顶底复吹转炉的炉底(正在倾炉出钢)(宝钢)
顶底复吹转炉的炉底(正在倾炉出钢)(宝钢)
顶底复吹转炉的炉底(正在倾炉出钢)(宝钢)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条