大难题

Raising rural social insurance funds is the most difficult problem of establing rural social insurance system.

建立农村社会保险制度的最大难题在于社会保险基金的筹集。

The issue of moral will has confused numerous philosophers and ethicists,who have attempted to interpret it from different angles and have drawn different conclusions.

道德意志问题是困惑无数哲学家和伦理学家的一个大难题，古今中外不少学者试图从不同的视角进行解读，得出不同结论。

Distortion is an unavoidable phenomenon in the process of heat-treating.

热处理变形是热处理过程中不可避免的现象，是目前热处理的两大难题之一。

Polyethylene gas pipeline had many outstanding features, which successfully solved the two major traditional pipeline corrosion and joint leakage problems. But the lower mechanical strength was the main drawback, and minimum required strength was one of the key index to measure pipe performance of long-term use.

聚乙烯燃气管道具有的许多卓越特性，圆满地解决了传统管道的腐蚀和接头泄漏两大难题，但机械强度较低是其主要缺点，长期静液压强度是衡量PE管材长期使用性能的主要指标。

The above two aspects may block the key link which the color spot, the acne form, from core solution flesh color spot, acne two big difficult problems.

以上两个方面可阻断色斑、痤疮形成的关键环节，从核心解决肌肤色斑、痤疮两大难题。

Company independent research and development of new products automatic red liquid exhaust compass for China's first (China Patent No.: 03225983.2) The product successfully resolved compass bubbles appear and the fluid compensation Gyrocompass two difficult problems in the international market has become highly competitive new products.

公司自主研发的新产品自动冲液排气罗盘为中国首创(中国专利号：03225983.2)该产品成功解决了罗盘出现气泡和罗经液补偿困难的两大难题，成为在国际市场上极具竞争力的新产品。

On the regulatory front, we were outgunned on two big issues.

在规章调节方面，我们被两个大难题上击败了。

This design has the following two problems, First will be the engine torqueoutput to force through universal drive shaft after the transfer to the wheels, toachieve better traction and steering wheel of the effective play, thereby enhancing the truck traffic capacity.

本设计有以下两大难题，一是将发动机输出扭矩通过万向传动轴将动力传递到后轮子上，达到更好的车轮牵引力与转向力的有效发挥，从而提高载重汽车的行驶能力。

Anticorrosive process of surface evaporation air cooler using LLSTD-1 as coating media,which solves two major difficult problems in large scale bundle anticorrosive techniques:performance requirements on coating materials (heat conduction,high temperature resistance,oil-proof and scale inhibition)and the coating method on surface evaporation air cooler bundles.

以LLSID-1涂料为涂层介质对大型表面蒸发空冷器管束进行防腐处理，解决了大型管束防腐的两大难题，一是对涂层材料的性能要求(耐腐、耐温、耐油、阻垢、传热效果好)；二是解决了大型管束防腐工艺(用什么方法将涂料涂装在表面蒸发空冷器管束上)。

The biggest problem facing small-type wind turbine generator at present is that reliability and security, which is the protection problem of overspeed during strong wind.

针对小型风力发电机目前面临的最大难题是其可靠性与安全性问题，即大风时的超速保护问题。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。