Objective to compare the effectiveness of the labor-hour method and the light trap method to mosquitoes, providing the basis for development of scientific and standard mosquito monitoring.

目的比较人工小时法和灯诱法的诱蚊效果，为科学规范开展蚊虫监测提供理论依据。

youdao

youdao

The policy will be set forth in a ruling to be issued Wednesday by the Labor Department's wage and hour division, the officials said.

官方称，将在美国劳工部工资和工时部门周三颁布的一项规定中阐述这一政策。

youdao

So many things we take for granted came about because of the union movement -- minimum wage, 40-hour workweek, child labor laws -- you name it -- weekends -- a lot of these things came about because people were fighting for them.

WHITEHOUSE: President Obama Talks with Virginia Families on the Economy | The White House

On Nov. 28, Sebsebila traveled to a health center where a midwife was at her bedside during her seven-hour labor.

WSJ: Bill Gates on the Importance of Measurement

Businesses usually increase productivity or output per hour worked by developing labor-saving devices and processes, in recent years that has involved computers.

FORBES: Why Fixing America's Schools Means Increasing Teacher Productivity