difficult的例句大全

Item pricing is an important but difficult task in priced bill of quantities.

在工程量清单计价中,清单项目组价是其重点和难点.

The wide price fluctuation in the international market reduce business difficult.

国际市场上大幅度的价格波动使得生意很难做.

As a diagnosis of exclusion, AFE may be difficult to diagnose and treat.

因为属于排除性诊断, 因此AFE很难明确诊断及治疗.

However, the real-time realization of AAC encoder is very difficult, for the algorithm is too complex.

但由于AAC标准的运算复杂度很高, 未经优化 实时 实现其编码器是十分困难的.

Detecting a P 2 P DoS attack is easy; defending against it is difficult.

P2P拒绝服务攻击检测容易, 防御困难.

Kimi Raikkonen: Unfortunately the weather today was difficult but yesterday was a good day.

很不走运今天的天气很糟糕，但是昨天的测试很不错。

Their steps and movements were formal rather than difficult.

芭蕾的舞步和舞姿有正规的形式,而不是难度很大.

Multi-join query optimization is a difficult problem in the domain of database.

多连接查询优化问题是数据库领域的一个难题。

Due to the limited sample set of the training database, it is difficult for all the face images are included in the training sample under non-ideal conditions.

由于数据库中的训练样本集有限，所以很难把各种非理想情况下的人脸图像都包括在训练样本中。

Dependence on the traditional database system is difficult with competent.

单纯依靠传统的数据库系统是难以胜任的.

The morphemes with wide semantic domain can easily combine with other morphemes into coordinate compounds, while it is difficult for the narrow ones to combine with each other.

文中同时指出，在同一词群内部，义域较广的词容易和其他词结合成并列双音词，而义域较窄的词之间不易结合。

Because the directional complement has the characters of high frequency used and flexible structure and semantic complexity, as well as many influence in other aspects. Those results in that the foreign students feel difficult in learning and the use of directional complements.

汉语趋向补语所具有的使用频率高、结构灵活、表义复杂的特点，以及其他的诸多因素影响，使得外国学生在学习和使用趋向补语时往往举步维艰。

Because of the Chinese syntax and semantic complexity, Chinese text-matching is very difficult. Therefore, designing an efficient and accurate non-structural text-matching system based on Chinese has a wide range of practical significance.

由于中文语法和语意的复杂性，使得中文的文本匹配变得异常困难，因此设计一个基于中文的高效、准确的非结构文本匹配系统具有广泛的现实意义。

Because of its non-numerical feature and semantic complexity, Text Mining becomes a hot and difficult spot of Data Mining.

文本的非数值性、复杂性等特点使得文本挖掘成为数据挖掘相关领域中的热点与难点。

Moreover, the proof of semantic equivalence of the program is often difficult to understand and to read.

此外，程序的语义等价性证明也往往是难以理解和阅读的。

But distilling tower temperature control is a typic big time-lag system, and the control of it is always a difficult problem in coak producing industry.

但由于氨塔温度控制属于典型的大时滞系统，对这种系统的自动控制一直是焦化生产控制中的一个难题。

If breathing is difficult, supplemental oxygen.

如果呼吸困难, 输氧.

The echoes of GPR ( Ground Penetrating Radar) are more and more dissipative attenuation with the increase of the depth of detection in GPR so that it is more difficult of deep detection at same time the decreased resolution.

探地雷达回波因为地下介质的损耗造成其随着深度的增加而衰减增大，导致对深埋目标探测更加困难，分辨率因此而降低。

Case study method is difficult to study method.

案例教学不同于例证教学.

Objects controlled for pressure control of distilling tower are complicated which have more related factors and strong interference, modeling it is difficult, so normal control algorithm can not perform with high quality.

蒸发塔压力控制的对象复杂、影响因素多、干扰大，控制系统的建模较为困难，用常规控制算法难以高质量地完成控制任务。