It's such a difficult problem that I have to dom uch to work it out.

这是一道如此难解的题，以致我得费很大力气才能把它做出来。

youdao

Ste er motor ha ee widely used i variou field uch a automatic controlling ystem and récising machines.

步进电机作为控制执行机构，广泛应用在各种自动化控制系统和精密机械等领域。

youdao

The doctrine of increment benefit relationship iss uch a theory that the regulated objects are determined along the time dimension.

“增量利益关系论”是从时间维度来界定调整对象的。

youdao

So far the group has tested touch screens, mobile phones running the Windows Mobile and Android platforms, speech input and output devices and an ordinary domestic TV set with a simplified remote control to run the UCH.

BBC: EU smart-home concept shown off