The most serious difficulty of the system is that there is no accumulated pension for those people who had retired or worked when the system began to reform.

The mud, sand and metabolized products of plankton in bittern of salt lake bring serious difficulty for deep processing of salt chemical product.

盐湖卤水是无机盐工业的基础，但其中含有的泥沙、浮游生物代谢产物给盐化工产品的深加工造成严重的困难。

During tunnel construction, it often produces the abrupt phenomenon of gushing because of complicated geology term, through the engineering construction result in the serious difficulty.

在隧道施工过程中，由于复杂的地质条件，往往产生突发性涌水现象，给工程施工造成严重困难。

Although performing arts have been in serious difficulty in China, the deepening of state-owned performing art group system reform and the introduction of the supportive policy shows promise.

虽然我国的演艺产业发展面临着巨大的困难，但是，国有文艺院团体制改革的深入推进和一系列演艺产业支持政策的出台让人看到了希望。

The rapid decomposition of titanium trichloride catalyst for propylene polymerization un-der atmospheric condition has brought serious difficulty in studying this kind of samples by scanning electron microscope.

由于三氯化钛聚丙烯催化剂在大气条件下会迅速分解，因此给扫描电镜观察此类样品带来了困难。

The company can not hold the meeting of shareholders or the general meeting of shareholders for two or more consecutive years, and the company encounters serious difficulty in its business management;

公司持续两年以上无法召开股东会或者股东大会，公司经营管理发生严重困难的；

In the first stage from 1992 to 2001, Russia electric power industry experienced its radical reformation and run into serious difficulty and problems;

俄罗斯电力工业在1992-2001年经历了第一阶段的激进式改革，遇到了严重的困难与问题；

Performance analysis and evaluation of TCP Veno

TCP Veno协议的性能分析与评价

TCP Veno& Improved TCP Congestion Control Mechanism in Wireless Network

TCP Veno&无线环境下的TCP拥塞控制改进机制

Observation of Acid Base Status during Clinical Orthotopic Liver Transplantation with Veno venous Bypass

原位肝移植应用静脉-静脉转流的酸碱状态

Clinical and pathologic study on hepatic veno-occlusive disease

肝静脉闭塞病的临床和病理研究

Hepatic veno-occlusive disease: report of two cases

土三七致肝小静脉闭塞病2例

It is a thing of no great difficulty, according to Plutarch, "to raise objections against another man's speech, it is a very easy matter; but to produce a better in its place is a work extremely troublesome."

普鲁塔克说：“反对别人的言论不是什么难事。但要在自己的立场上创造出更好的言论，则是一件极其麻烦的工作。”

With great difficulty, the fisherman manoeuvred his small craft close to the reef

渔夫费了很大的劲才把他的小船划到暗礁旁。

This conflict mainly manifests as the number of the generating coal is not guaranteed, the price of the generating coal is rising and the quality of the generating coal is decreased which cause great difficulty for the operations of the thermal power generators.

电煤矛盾主要表现为电煤数量得不到保证、电煤价格上涨以及电煤质量下降。这些都给火电企业的经营带来巨大的困难。

He cried off the project and left his friends in great difficulty.

他没有实行他的计划，因而使他的朋友陷入困境。

We were again in great difficulty.

我们有一次陷入了困境。

He has great difficulty in catching his breath.

他呼吸很困难.

Begin from 1996, green shipping is managed face very great difficulty.

从1996年开始, 青远航运经营面临很大困难.

But those enterprises barge up against great difficulty in their development.

中小企业在发展中所遇到的困难很多.

We had great difficulty in raising the money.

我筹集这笔钱有很大困难.