Why would you need a transaction if you are only reading data?

如果只是读取数据，需要事务吗？

youdao

So far, the examples have focused on reading data, not writing data.

迄今为止的示例都侧重于读取数据，而不是写入数据。

youdao

Sometimes, even just reading data can be a security vulnerability — before the data is even checked!

有时，即使只是读入数据也可以是安全漏洞——甚至在数据被检查之前！

youdao

The curriculum outline activities that address learning skills in each learning grade level, including letter writing, data collection, reading, research skills and presentation skills, critical thinking and collaborative working in small groups.

教程总体活动注重,培养学生在每个年级水平的,学习技巧，包括书信写作，数据搜集，阅读，研究技巧，展示技巧，批判性思维,还有小组的团队协作能力。

麻省理工公开课 - 媒体、教育、市场课程节选

Publishers are only just beginning to mull over the potential uses for e-reading data.

WSJ: Your E-Book Is Reading You

No battery is needed because devices reading data from the chip will provide power by induction.

BBC: NEWS | Technology | Tiny wireless memory chip debuts

Propagation and migration often involve reading data files and sensing the environment.

CNN: Technology - Analysis: Understanding viruses