left-hand thread,left-hand winding,left-handed winding是什么意思

网络释义

用法例句

It is still debatable whether or not large-scale left-lateral displacement took place along the Tan-Lu fault belt after collision of the North and South China plates and when the displacement happened.

郯庐断裂带在华北与华南板块碰撞之后是否发生过大规模左行平移及其准确的时间,仍然是存在着争议的重要问题。

The fault zone experienced a large-scale left-lateral displacement after the collage of the North and South China plates.

在华北、华南板块拼合之后,郯庐断裂带发生了一次大规模的左行平移,其糜棱岩的40Ar/39Ar年龄为132～119Ma,指示为早白垩世的平移活动,平移活动中伴生了强烈的岩浆活动。

The outcrop fold was a structural feature formed by the crust occurred the left lateral tenso shear shearing under the extentional mechanism in the early period.

露头褶皱为地壳早期在伸展机制下发生左行张扭剪切作用产生的构造形迹；宏观褶皱为侵入岩浆穹起、底辟作用向外扩张空间推拉围岩形成的构造格