查询词典 difficult task

It is a difficult task to undertake.

这是一个很难处理的任务。

G. lepidopterous eggs . Although tens of species have been formally identified in China, species identification is still a specialized, time consuming and difficult task, especially for arrhenotokous forms.

尽管我国正式发表的赤眼蜂已有数十种，但鉴定工作一直是一项费时费力、需要专门培训的技术，而对于产雌孤雌生殖型的鉴定则更为复杂。

As you can tell, the autistic problem has a long way and difficult task to be accomplished in China.

由此可见，孤独症的问题在中国将会有很长的路要走，很大的工作要完成。

China Aero Geophysical Survey and Remote Sensing Center for Land and Resources,Beijing 100083,ChinaIt is a difficult task for shadow and feculent water area processing when extracting water body from remote sensing image by traditional methods.Light Laser Detection and Ranging is robust to gain point cloudy data from shadow and feculent water as it has less affection from that area.However,the point cloudy data is always with low resolution which results to contour line with low accuracy.

从遥感影像中提取水体的传统方法在阴影处和水体浑浊处存在一定局限；机载激光雷达获取点云数据时水体受阴影和浑浊的影响小，因此使用点云数据提取水体比使用影像数据更加稳健；但点云数据的分辨率低，所提取的轮廓线精度不高。

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。

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。

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。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。