In this paper,some equal descriptions are obtained by the relative flatness concept for some special situations-under the conditions of A-flat, A-principally flat and condition (P A).
该文利用S -系的相对平坦性的思想 ,给出了在一些特殊条件下分别满足A-平坦、A-主平坦、条件 (PA)的S-系的某些等价刻画。
The Design of Soft X ray Broadband and Flat Multilayer;
宽带平坦型软X射线多层反射膜的设计
For any integer r,where r>1,a sufficient condition for the finite R-determinacy(r-1)-flat function germs of two variables is given.
对于大于1的任意整数r,给出了(r-1)-平坦的二元函数芽f是有限R-决定的一个充分条件,得到了在该条件下计算f决定性阶数的精确公式。
By using the natural isomorphisms of functors,we obtain some characterizations for a flat S-act.
利用函子的自然同构,给出了平坦S-系的一些刻画,得到了内射上生成子,投射,内射,生成子之间的一些关系。
a flat desk; acres of level farmland; a plane surface.
平坦的课桌；成亩的平坦农田；平坦的表面。
The course of detente has not been smooth or even.
缓和的道路也并非平平坦坦，畅通无阻。
Some Properties of P-flat Modules and P-flat Dimension;
P-平坦模和P-平坦维数的若干性质
To make or become even.
使成为平滑、平坦或相等
A flat, horizontal surface.
平坦的,水平的表面
The ocean bottom is made up of smooth plains.
洋底由平坦的平原构成。
dispersion-flattened single-mode fiber
色散平坦型单模光纤
geometry of flat Banach space
平坦巴拿赫空间几何学
Some streets are not level in the city.
城里有几条街道不平坦。
That road is smooth.
那是一条平坦的路。
The surface must be completely plane.
这表面必须完全平坦。
Life is not always smooth.
生活的路不是平坦的
All about him the country was flat.
他周围的田野一片平坦。
Then N is said to be a flat A-module.
那么，N叫做平坦a--模。
The whole landscape looked as flat as a pancake.
整个地形十分平坦.
The rough street was crowded.
街道不平坦，行人很多。
The countryside is very flat here, ie has no hills.
这一带农村地势平坦.
Holland is flat, there are no mountains.
荷兰地势平坦，没有山。