查询词典 difficulty

How to improve peoples income is the emphasis and difficulty of returning cultivated land to forestland or grassland, and it is the key to actualize the engineering successfully.

目前，工程的重点和难点在于如何确保乃至提高当地农牧民的经济收益，这也是退耕能否成功实施的关键。

She has lots of good ideas, but she has difficulty formulating them.

她有很多好主意，但就是不善于表达。

For students who have difficulty with formulating a concentration of study, this can be an exceptional opportunity to avoid having to do so.

谁的学生有困难制定的集中学习，这可以是一个特殊的机会，以避免这样做。

Exists in the LAN data accessibility, information gather naturally, and the difficulty of fortification and other issues.

局域网中存在数据的可访问性、信息的聚生性和设防的困难性等问题。

Her friends forwardly helped her when they heard the difficulty at her home.

她的朋友们听到她家中的困难情况后，都主动伸出援助之手。

I took out one of the fowling pieces, and one of the pistol s, and an horn of powder, and thus arm'd I travell'd for discovery up to the top of that hill, where after I had with great labour and difficulty got to the top

我拿了一支鸟枪、一支手枪和一角筒火药，向那座山的山顶走去。历尽艰辛，总算爬上了山顶

I took out one of the fowling pieces, and one of the pistols, and an horn of powder, and thus arm'd I travell'd for discovery up to the top of that hill, where after I had with great labour and difficulty got to the top

我拿了一支鸟枪、一支手枪和一角筒火药，向那座山的山顶走去。历尽艰辛，总算爬上了山顶

One difficulty of study is to estimate traffic fractal dimension.

其中流量的分形维数的求解问题是相关研究中的一大难点。

The method can beused to solve the integro-differential equation included fractional integral orfractional derivative in a long history and the difficulty of storing all history data isovercome and the error can be controlled.Two numerical examples are presented.

利用该方法可对包含分数积分和微分的积分-微分方程进行较长时间的数值模拟，克服了存储全部历史数据的困难，并能对计算误差进行控制。

In order to overcome the difficulty of making a through investigation of each fracture in natural systems, a new concept of quasi double-porosity-medium was put forword and a new mcdel was also developed based on the partition of dominant fractured networks and quasi porous matrixes according to the transmissive and storage mechanism of frae tured medium.

双重介质水流耦合离散模型的建立，改变了以往对双重介质的概化和假设，能如实的反映裂隙系统和孔隙岩块的组合关系，不仅能描述裂隙系统的导水作用和孔隙岩块的贮水作用，还能描述孔隙岩块的渗透特征。对两类空隙系统间的水交替特点有了新的认识，并对以往的结论提出异议。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷