在困难中

He points out that he always experienced much difficulty in expressing himself clearly and concisely, but he opines (命题专家改写为believes)that this very difficulty may have had the compensating advantage of forcing him to think long and intently about every sentence, and thus enabling him to detect errors in reasoning and in his own observations

他相信，正是这种困难或许能够扬长避短，以使他能长时间专注的思考每一个句子；因此，使他能在推理中和自己的观察中发现自己的缺点。

He points out that he always experienced much difficulty in expressing himself clearly and concisely, but （46） he opines (命题专家改写为 believes)that this very difficulty may have had the compensating advantage of forcing him to think long and intently about every sentence, and thus enabling him to detect errors in reasoning and in his own observations

达尔文认为正是因为这个困难，促使他对每一个句子进行长时间和针对性的思考，同时也使得他在观察和推理中发现错误。这也就使他具有了别人所不具备的优势。

It is in overcoming hardships that we the value of life.

正是在战胜困难的过程中，我们方懂得生命的价值。

However, in 1995, the number of hours was quadrupled, climbing up to four hours per week.

你认为目前大学生在计算机使用中有什么困难或问题。

Moving shapes in a scene was very hard because you had to redraw the whole scene again with the shape in its new location, redrawing is a huge problem when you have to remember each shape's position and colors and so, rotating and scaling was also very hard.

移动场景中的造型是很困难的，因为你已经重新划定在其新的位置形状整个场景再次，重新划分是一个巨大的问题时，你要记住每个形状的立场和色彩等，旋转和缩放也很难。

This is where the fundamental difficulty in rehabilitating a criminal offender lies.

这就是在改造一名犯罪份子中存在的根本困难。

The recovery strategy for the customer time window disruption is given,to guide to design the other recovery strategy for the VRPTW disruption;By setting the single dummy depot or the multiple dummy depots,the transition that the jump-offs of vehicles on the way are reposited to the depot is proposed,making the algorithm for the VRPTW solve the disruption recovery model as before;the customer time window disruption is analyzed,to help measure the other deviation for VRPTW;A new handling constraint method based on genetic algorithm is designed,avoiding the difficulty of selecting the penalty factor in penalty strategy and makes the handling constrain simplify.

本文给出了客户时间窗变动的扰动恢复策略，可以指导设计VRPTW其他扰动恢复策略；通过设定虚拟单车场或虚拟多车场，将干扰发生在途车辆的起点复位到车场，使VRPTW求解算法同样可以用于处理扰动恢复模型；对客户时间窗变动对系统造成的干扰进行了度量，为VRPTW其他扰动度量提供了指导；设计了一种新的约束处理方法，避免了惩罚策略中选取惩罚因子的困难，使得约束处理问题简单化。

Due to the first try of the kind in China,both sidetracking window milling and orientation were challenging,which were affected by horizontal window,formations,friction,and operational parameters.

由于在水平段套管内侧钻尚属首次，开窗及定向均比较困难，受水平窗口、地层、摩阻、施工参数影响，弯螺杆前面的钻头方向不断处于变化之中，导致钻出的井眼呈多台阶形状，进而使实施过程中的起下钻摩擦阻力明显增加。

Indeed, the FCC is free to punish a show for an episode in which a character discusses how important, yet difficult, it is to set a good example and to teach her children not to use certain swear words - and then, after stubbing her toe, swears, thus illustrating her point.

事实上，联邦通信委员会已免除了该剧一个情节中一人物角色对其重要性的评论。然而困难之处在于为她的孩子树立榜样并教导其不要说这些脏话——事后，她一不在，孩子们就说脏话。

Because it's through surmounting these challenges that this little Japanese girl becomes a capable person.

在克服这些困难的过程中，这个日本小女孩长成了一个真正有用的人。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。