查询词典 difficult

Music Composition very prosperity, the emergence of a number of outstanding musical talent, and this period of very difficult work, melodious touching various parts of the works have been in very difficult skills decorative Colorature take sentence, which calls for the singers Super concerts have higher skills.

音乐创作十分繁荣，涌现了一批优秀的音乐人才，并且这个时期的作品难度相当大，旋律优美动人，各个声部的作品都出现了技巧非常难的装饰性花腔走句，这就要求歌唱者要有更高超的演唱技巧。

It is difficult to predict the time to debug the code, hence it is difficult to schedule.

这是很难预测的时间来调试代码，因此它是很难的时间表。

Dendrology is a difficult course for its abundantly abstract and trivial contents. The key to a better teaching result for the course is that teachers should not only master relative concepts, terms and feathers of trees, but also pass them to students by appreciate methods while increasing students' interests to the course. A challenge is that there are numerous terms about trees and most of them are difficult and unfamiliar words to most people.

树木学是一门内容较深奥抽象又纷繁琐碎的学科，老师对概念、术语和树木特征的准确把握并把其恰当传授给学生、激发其对课程的学习兴趣是教好树木学的关键；而有关树木和植物分类学的术语对大多数人而言又是很偏僻、难以掌握的词汇，且其数量巨大。

It simulates the human thought and the decision-making process, and solves the control difficult problem of complex system that describing is very difficult with the precise mathematical model (differential or difference equation).

基于知识驱动的拟人智能控制系统，是一种模拟人类思维和决策过程，解决难以用精确的数学模型来描述的复杂系统的控制难题的一种全新的控制系统。

At present the main research and the application public key the system crypto-algorithm has two kinds: The RSA algorithm and the ECC algorithm, former based on the great divisor of integers decomposition difficult problem, latter is separated the logarithmic computation difficult problem based on the elliptic curve in.

目前主要研究和应用的公开密钥系统的密码算法有两种：RSA算法和ECC算法，前者基于大整数因子分解难题，后者基于椭圆曲线上离散对数计算难题。

In the practice of mineral process, the dotation of marmatite is one of the dii'l'iculL problems of polymetal sulphide separable flotation, which makes it difficult to increase the recovery of zinc mineral at the marmatite mine in wenshan ,which makes it even more difficult because of its ore characteristic.

选矿实践中，铁闪锌矿的浮选是目前多金属硫化矿分离的难题之一，文山铁闪锌矿的浮选回收率及品位由于矿石特性所致，要使其达到较好的指标，具有较大的难度。

See each other as long as the double-lock the other side it is very difficult to live firepower to play each other, earthquakes patients with LR Master of mad so difficult to play a shot.

只要双锁互相看住对方火力对方很难发挥，地震术与LR的狂射让法师难以发挥。

This too was difficult for Jews, who had to take special, more difficult entrance exams.

即使是想修数学，犹太人也必须通过更难的入学考试。

It is not difficult to realize an information management system, but what difficult is how to realize it in lest cost, and make it transplantable, maintainable and expansible.

实现一套信息管理系统并不困难，困难的是如何用最少的代价构建一个具有可移植性，可维护性和可扩展性信息管理系统。

It is fabulously difficult to describe and very difficult to manage.

企业个性很难描述，而且很难把握。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。