构造序列 meaning in English

tectonic sequence

How to designed stream cipher based on pca has been studied
指出了如何利用pca技术构造序列密码。
Sequence of primary sedimentary structures and sedimentary environment for the permian coal measures in the luling mine of the huaibei coal field
淮北煤田芦岭井田二叠纪含煤岩系原生沉积构造序列与沉积环境
Then . with the help of some good results of differential equations theory , some sufficient conditions for all solutions of the equations to be oscillatory are obtained . the way is to proof by contradiction and construct sequence
1 )的振动性，首先，利用积分变换，给出了几个引理，将此类差分方程转化为相应的微分方程或微分不等式，得出了新变量的一些重要性质；然后用反证法和构造序列的方法，充分利用微分方程理论中的一些重要结论，得到此类差分方程解振动的若干充分条件