查询词典 difficult problem

Eg. It took me an hour and a half to work out the difficult problem.

我花了一个半小时来解决这个棘手的问题。

The gyro gunsight at last solved the most difficult problem faced by pilots and air gunners, that of finding the correct angle of deflection or 'lead' needed to hit the target when it was moving across the line of fire.

陀螺瞄准镜最终解决了飞行员和空中射手面对的最困难的问题，那就是在目标横越发射线的时候，找到正确的命中目标所需要的前置角度或者提前量。

The Gyro Gunsight Mk I - Pt I 陀螺瞄准镜Mk I -第一部分 The gyro gunsight at last solved the most difficult problem faced by pilots and air gunners, that of finding the correct angle of deflection or 'lead' needed to hit the target when it was moving across the line of fire.

陀螺瞄准镜最终解决了飞行员和空中射手面对的最困难的问题，那就是在目标横越发射线的时候，找到正确的命中目标所需要的前置角度或者提前量。

When I have a difficult problem, I try to look at it from different angles in order to come up with

当我遇到难题时，为了解决问题，我会尽量从不同的角度来看待它。

With growth of ages, our arthrosis become ankylosis, and difficult to supple which is really a problem to the old.

随着年龄的增长，关节变得僵硬，不易弯曲。

How anthropomorphize, how to ensure the accrual of state-owned asset is waited a moment, it is a difficult problem.

如何人格化，如何确保国有资产的收益等等，都是个难题。

The operation sex of this one practice also is oppugned, as a result of Internet cross district sex, how to limit apanage to register the difficult problem on existence technology, and the provision that countrywide other province did not implement net inn license plate, selling the home very hard certainly is to be in Beijing to still sell a thing in Chengdu.

这一做法的操作性也受到质疑，由于互联网的跨地域性，如何界定属地注册存在技术上的难题，而且全国其他省份并没有实施网店牌照的规定，很难确定卖家是在北京还是在成都卖东西。

The measuring method of the dynamic characteristic of arc welding power source is always a difficult problem in welding.

弧焊电源动特性的测定方法在焊接研究中一直是一个很难解决的课题。

However, the problem is very difficult, and because China's ancient architecture is not so high.

但是，这个问题非常难做，因为中国古代的建筑没有这么高的。

But the problem is, join groups of such a game " pope ", also suffer from in financial crisis went up " cold ", singing a net to swim again is the port in financial cold winter such high-key, tried to do a difficult job as best one can a bit it seems that.

可问题是，连这样一个游戏界的"教皇"，也在金融危机中患上了"感冒"，再唱网游是金融寒冬里的避风港这样的高调，似乎就有点勉为其难了。

Many will continue to choose to live in duality and in conflict.

许多人将继续选择活在二元对立性和冲突中。

I find that students of the University of Physical Education all wear sportswear at first sight.

我发现：体育大学的学生乍一看，都是穿运动衣，大家都一样