But many problems occur in the practice.

Boundary value problems occur in various fields of natural science.

边值问题普遍存在于自然科学的各个领域。

It would be advantageous to have a tool not only to help in problem determination efforts when problems occur, but also to help identify data errors before they impact customers.

拥有不仅可以在问题出现时帮助确定问题，而且可以在数据错误影响客户之前帮助确定数据错误的工具，这将是非常有利的。

A large proportion of translation problems occur in the user interface.

很多翻译问题出现在用户界面上。

With the particularity of highway tunnel space structure, lane fire safety accidents frequently occur and bring the great harm.

高速公路隧道空间的结构具有特殊性，在其内行车火灾事故经常发生，且危害巨大。

The cascading failures of power system caused by disturbance frequently occur, thus the significance of disturbance control reveals increasingly.

由于扰动造成的电网连锁事故时有发生，扰动控制的重要性逐渐显现。

However, natural disasters, especially crop diseases frequently occur, seriously hampering thedevelopment of agricultural economy.

然而自然灾害不断发生，特别是农作物病害频发的现象始终伴随着我们，严重制约了农业经济的发展。

The region of the upper Yellow River valley is one of the areas in China where geological hazards frequently occur.

黄河上游地区是中国地质灾害特别发育的地区之一。

Recently natural disasters frequently occur in China, which make people concentrate on the management and prevention of meteorological disasters.

近年来，我国气象灾害频发，引起人们对气象灾害防御管理的关注。

But construction cracks in massive concrete frequently occur, which leads to lower ray-shielding efficiency.

但大体积混凝土施工中常会产生施工裂缝，以致降低了它防放射作用的效果。

The variants of INCOTERMS frequently occur in the international commercial intercourse.

在国际商事交往中经常发生INCOTERMS2000的变体。

In recent years, disaster events frequently occur around the world, which cause great casualties and property losses.

近年来，世界各地突发应急事件频繁，造成巨大人员伤亡和财产损失。

Conclusion As latent syphilis is affected by its clinical characteristic, misdiagnosis frequently occur.

结论潜伏梅毒由于受其临床特征影响，早期常被漏诊，危害性大。

Natural hazards, especially flood disasters, frequently occur in our country and cause serious damage.

我国自然灾害发生极为频繁，其中以洪涝灾害尤为严重。

At present, emergency situations frequently occur in colleges as prominent problems of college students.

当前高校毕业生问题凸显。突发事件时有发生。

Review reading passages that frequently occur on the TOEFL test.

审查阅读通道，经常发生在托福考试。

Flood and Drought damages frequently occur in Yunnan province.

云南是一个洪旱灾害多发省份。

But errors, in the practical operation, frequently occur in decision-making.

而在实际操作过程中决策失误时有发生。

South China Sea is an area where typhoons frequently occur each year.

南海是我国台风频繁发生的地区，而台风常常导致巨大的海洋灾害。

She's written a program to find words which frequently occur together.

她设计了一套程序能找到经常一起出现的单词。

In recent years the financial crisis frequently occur in the whole world.

在近年来世界范围内金融危机频繁发生。