查询词典 difficult

It is difficult to calculate temperature field of large scale air-cooled turbo-generator with special strands structure.

对于具有特殊股线结构的大型空冷汽轮发电机温度场计算具有一定的难度。

But in fact, the system of half-tracked air-cushion vehicle is over complicated. When the vehicle drives in an unknown soil, the parameters and structures of controlled member will change with load or disturbances. This system is nonlinear and time-variant, and it is very difficult to analyze its transfer function and state function quantitatively.

然而在实际工作中，由于本课题中的系统过于复杂，当行驶在未知土壤条件下时，被控对象往往随着载荷或干扰因素影响，其特性参数或结构发生改变，属于非线性和时变性的不确定系统，它的传递函数或状态方程难于用传统的定量分析方法加以实现。

The variety of airborne is so great that it is difficult to construct tidy classifications.

气载的种类是如此之多，以致于很难作出严整的分类。

This project also compared and discussed the research results of OBS and onshore-offshore experiments in nearby areas. The conclusion is that the active airgun source is equivalent to an earthquake of about magnitude 0.5, and the airgun signals can be detected at the maximum distance of only about 250 km, which is not enough for the study of deeper lithospheric structure below the crust. Furthermore, the onboard airgun source and MCS streamer are difficult to operate in the shallow water of reef and island areas.

本项目还分析对比了周边地区海底地震仪探测和海陆联合地震探测的研究成果，发现人工气枪震源约相当于0.5级的天然地震，其信号传播距离最远只有250 km左右，很难探测到地壳以下更深部的岩石圈结构特征，此外船载的气枪震源和多道电缆在岛礁区和浅水区很难开展工作。

It is difficult to imagine, it would be chairman of an airline's office.

很难想象，这会是一家航空公司董事长的办公室。

It seems likely that they will find an expanding role in the management of the difficult airway.

看来他们将找到一个扩大的作用，在管理的困难气道。

First, AJAX is a complex development solution. It's difficult.

第一，阿贾克斯是一个复杂的开发解决方案。

The ALA notes that it may be particularly difficult to tell when infants and preschool age children have the flu.

该栋指出，可以说是在困难的孩子有学婴感。

In most situations where music is performed in our culture it is not difficult to distinguish the audience from the performers, but such is often not the case in africa. alban ayipaga, a kasena semiprofessional musician from northern ghana, says that when his fluteand drum ensembleis performing."anybody can take part".

（47）在大多数情况下，如果是在我们自己的文化中演奏音乐，就很容易区分观众与演奏者，但在非洲，情况通常并非如此。alban ayipage，一名来自加纳北部的喀萨纳半职业音乐家在他的长笛与鼓歌舞团表演时说道，"任何人都可以参加"。

"It was a win we achieved on a difficult pitch and I think that now we're on the right track," declared the Albanian player.

这是一场胜利我们取得了一个艰难的客场比赛，我认为我们现在正回到正确的轨道上＂塔雷说

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。