But the improving effect and benefit of downhole operation have not formed yet.

但系统地提高井下作业效果与效益的管理思路尚未形成。

youdao

However, we have paid attention on this theory late so that we have not formed the systematic knowledge on it.

然而，国内对动态竞争的研究较晚，因此目前尚未形成对动态竞争理论与研究方法的系统认识。

youdao

Horizontal movement in 2004 have not formed orderly result of fault dislocation, relative concentration of strain or locking of fault.

2004年水平运动没有形成断层错动、应变相对集中或断层闭锁的有序结果。

youdao

The lucky half who escaped that fate are a group apart, although they have not formed a self-conscious, American-style black middle class.

ECONOMIST: Black Britons finally break into dreary neighbourhoods

Although they have not formed an electoral pact, Dr Mahathir's ability to unite these two parties against him is quite an achievement.

ECONOMIST: Mahathir��s winning ways

But on this one they have not formed a single view.

ECONOMIST: A silent social revolution