In this way, timing code can be added to interesting transactions but only be measured on demand.

通过这种方式，可以将计时代码添加到感兴趣的事务中，但是这些事务只会根据兴趣进行评测。

youdao

Merseyside Police have launched something similar which allows citizens access to information on an on-demand basis, post code enabled search and features to report crime patterns.

Merseyside Police已经投入运行了类似的网站，允许市民根据需求访问信息，提供支持邮编的搜索以及报告犯罪模式的特性。

youdao

Step 5: "code on demand teach [sic] clients how to behave in specific situations that were not foreseen, i.e. a new media type definition."

第五步：“通过应变能力强的代码去指导用户如何应对特定的从未遇见过的媒体类型，比如新出现的媒体类型定义。”

youdao

The efforts build on a flurry of for-profit and not-for-profit startups that aim to teach anyone to code as demand for the skills surges.

WSJ: Beyond the Three R's: Push to Teach Coding at School

The ambiguities of the GNU Public license are responsible in part for Apple's lack of interest in developing for the many Linux distributions that are licensed under GPL. By contrast, said Sanchez, BSD groups do not demand that users of FreeBSD or NetBSD code contribute their innovations to the community, and are therefore more friendly to corporations.

CNN: Apple warms up to open source community

The controversial recent revisions to the Forest Code, the national law, may yet slow the demand for planting, as they relax the constraints on landowners.

BBC: Rio +20: Joining the ecological dots