难完成的

At present, the guard system in universities in China is developed based on Windows platform of appliance computer. And there are many problems bothering managing personnel of the computer room such as difficulty to maintain, high cost, high consumption and inconvenience to operate.

目前，我国高校的计算机机房门禁系统都是基于个人计算机在Windows平台下开发完成的，其维护难、成本高、功耗大、操作不便等问题一直困扰着计算机机房管理人员。

W: He is a great teacher, but I'm having a hard time with the reading list.

女生回答：她是个很棒的老师，但是他列出的阅读资料很多，我想我很难完成。

However, for this same reason, co-ordination between players can be difficult to achieve.

由於这个原因，游戏者之间的合作却很难完成。

In cases where a chief executive fiddles the accounts to cover losses, how it was done and the way that it hurts mutual fund investors are harder to grasp.

而如果某位总裁通过伪造账户来掩盖损失，在这种情况下，它是如何完成的，是怎样伤害到共同基金投资者的，这些就更难理解了。

Reading mangled text is an everyday skill for most people, yet machines still find it difficult.

阅读形式不规则的文本对大多数人来说是家常便饭，但机器仍然很难完成这一任务。

It is hard to imagine a stress test that could be more profoundly different to the process the US has just completed.

一个压力测试会比美国刚刚完成的程序有更深刻的不同，让人很难想象。

Three fifths of the work is hard to finish.

这工作的五分之三很难完成。

If you want to farm bamboo, it's hard to do without the plantlets, and that's what we have, she says.

如果你想做农场竹子业，没有植株很难完成，这就是我们所经历的她说。

By contrast, the single-cell models can be run faster than in real time on a PC or laptop!

进一步的工作如果没有电脑的超大容积将很难完成。

Invisible ink has fascinated kids for generations. You might think that it would be difficult to make, but it's not.

你可能觉得这样的实验很难完成，可是我要告诉你，这将非常简单而有趣。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。