查询词典 difficult task

The importance of micromixers for microreaction technology demands some well-founded knowledge on the mixing behavior of these devices, since the flow in a micro-channel is laminar which makes mixing quite a difficult task to complete.

在一些生化反应中，微混合器的重要性在於混合的好坏决定了整个反应系统效率之优劣，因为不完全的混合会严重地影响要完成的反应。

Ali rose and placed an apple in the centre of a large carpet."The task of conquering Nejd is difficult," he said. It's like seizing this apple without setting foot on the carpet.

阿里站起来，把一个苹果放在一幅大地毯中央，说：取内志之难，有如取此苹果而脚不履地毯。

I found this my most difficult task, and I have nerver made much progress in it.

这对我来说，可能是最困难的事情，在这方面我一直没有获得什么明显的进步。

I found this my most difficult task, and I h*e nerver made much progress in it.

这对我来说，可能是最困难的事情，在这方面我一直没有获得什么明显的进步。

This task is perceptually very difficult .

这项任务给人的感觉是非常困难。

This task is perceptually very difficult.

可以感觉到，这项任务非常艰巨。

Untangling what Socrates said—or might have said—from what Plato represents him as saying is therefore a very difficult task.

解开什么苏格拉底说，或有可能说，从柏拉图代表他的话说是一个非常艰巨的任务。

Take on the difficult task of delivering presents on time and drive the elves to their workplace. Steer your little model train through winterly landscapes, operate signals or switches and transport the precious freight from one train station to another.

接受投递礼物和接载小精灵工作的任务，驾驶你的小模型火车穿过冰雪覆盖的地面，操纵信号，将重要的货物从一个火车站送到另一个车站。

It is a difficult task, but I'm sure he'll rise to the challenge .

任务很艰巨，不过我相信他能应付自如。

In the ordinary way, this is a difficult task.

通常而言，这是个困难的任务。

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。