We must find economical methods for extracting oil from shale.

我们必须找到从页岩中采油的经济方法。

《新英汉大辞典》

The biggest change is the addition of a comparator class (Listing 13) and the methods for extracting the appropriate fields and performing the actual sorting.

最大的改变是添加了comparator类(清单13)以及抽取适当字段并进行实际排序的方法。

youdao

The AAA framework allows DataPower devices to use a broad variety of methods for extracting user passwords, security tokens and other identity information from incoming requests.

AAA框架允许DataPower设备使用各种方法，从传入的请求提取用户密码、安全令牌和其他标识信息。

youdao

The emerging technologies involve different solvents, sorbents and membranes as well as methods for extracting carbon from the solvents and regenerating the solvents for reuse.

FORBES: Still Chasing Clean Coal, US Opens Carbon Capture Lab

The inquiry followed the planning application made by Miller Argent for the reclamation of land which also includes extracting coal by opencast methods.

BBC: NEWS | UK | Wales | South East Wales | Opencast goes before inspector