查询词典 polar circle

They have been popular in Eurpoe, USA, Australia etc, and they also help our company earned good reputaion in the circle of stone.

这些产品在欧洲，美国，澳大利亚很受欢迎，同时也为我们公司在石头领域赢得了很好的信誉。

I could not see the boy,and there was nothing else in that lonely place Beneath me on the other side of the hill was a circle of old stone huts.

我看不见那个小男孩，在这个荒凉的地方也没有旁人。在我下面的山坡的另一旁有一些围成一圈的古老的石屋。

Was the stone circle meant to observe the activities of the sun, moon and stars?

石圈是否意味着观察太阳，月亮，星星的运动？

I could not see the boy,and there was nothing else in that lonely place Beneath me on the other side of the hill was a circle of old stone huts.

我看不见那个小男孩，在这个荒漠的处所也没有旁人。在我下面的山坡的另一旁有一些围成一圈的古老的石屋。

Was the stone circle meant to observe the activities of the sun, moon and stars?

这个石阵是否就是用于研究太阳、月亮和星象活动的观测台？

In about 2, 300 BC the huge stone circle were built.

在约公元前2300年巨石林圆周被建。

I could not see the boy,and there was nothing else in that lonely place Beneath me on the other side of the hill was a circle of old stone huts.

在我下面的山坡的另一旁有一些围成一圈的古老的石屋。

Archaeologists have uncovered what may have been a village for workers near the mysterious stone circle Stonehenge in England.

考古学家已在神秘的英格兰巨石阵附近发现一处村落遗址，当时的住户可能就是巨石阵的建造者。

"The map says you have to turn when you see a large stone with a red circle," said one of them.

&地图上说看到一块带红圆圈的大石头就得转弯。&一个朋友说道。

In the foreground is a cave housing a stone circle of unknown origin named False Kiva .

图片下方是一个洞穴，里面存在一不知何时命名为False Kiva的石圈。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。