查询词典 extremely difficult

It is extremely difficult to rent a car for instance if you do not have access to a credit card in your own name.

很难租车举例来说，如果你不接受信用卡你自己的名字。

Stevie Wonder's music is both emotional and extremely difficult to sing because of the unpredictable melody changes, so for that he scores well on the accuracy rating.

史提夫。汪达的音乐极具感情，又因为旋律变化多端而极为难唱，因此他算是个性相当符合金虎特质的人。

Admittedly , this is an extremely difficult task .

众所周知，这是一项极其困难的任务。

This would put PAF in extremely difficult situation, if F-16formed biggest chunk of their air arm.

这会置PAF于一个极端困难的境地，如果是F16组成他们空中力量的最大份的话。

The system is reportedly 100 percent silent and extremely difficult to track by air on ground-based radar systems.

这种系统据称还是完全静音的，地基或空基雷达很难探测到。

Some of the Appalachian Trail is easy. Some parts of it are extremely difficult.

阿巴拉契亚小路有些地方很好走，而有些路段则很有挑战性。

Unfortunately, it is extremely difficult to keep a plasma going for any appreciable length of time.

糟糕的是，要想让plasma约束一个可观的时间是极其困难的。

If we look at the archaeological facts, it is extremely difficult to say that a Labyrinth ever existed...

如果我们的考古事实看，这是很难说，一个迷宫曾经存在过。。。

At the best of times and in the best of hands this is bound to be an extremely difficult matter.

在最好的时间加上最好的协助，这注定是非常困难的事情。

And at times that can be extremely difficult but, you know, you do it, he said.

虽然这真得很难，但是，你知道，你做到了。

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。