It is published four to five times a year.

该报告每年发表4到5次。

youdao

Teachers are observed in the classroom five times a year for at least thirty minutes each time.

它每年会对教师课堂表现进行5次考察，每次不低于30分钟。

youdao

Solar eclipses can happen up to five times a year, although each year is different due to variations in the positions of Earth, the moon, and the sun over time.

随着地球、月球和太阳相对位置的逐渐变化，每年所发生的日食次数也不尽相同，有时候在一年之内会发生多达五次的日食。

youdao

Especially troubling,he said, is that there were more than five hundred thousand families in which a child experienced hunger multiple times during the year.

VOA: special.2009.11.23

Robberies are less costly but more frequent: Most businesses report them either once (29%) or between two and five times a year (38%).

FORBES: For Small Businesses, Account Fraud Adds Up

Greg Rosenblatt, vice president of Stark Carpet, says he has been working with One Kings Lane about five times a year to liquidate the company's excess inventory.

WSJ: Buy This Lifestyle, Furniture Included

As part of the trial cull, researchers have trapped and euthanised sick animals two to five times a year from an isolated population in the south-east of Tasmania.

BBC: Cull 'cannot save' Tasmanian devil