Periodical inspection and maintenance of water supply system, supplying pipe , tape and tank, drain pipe.

The quarterly magazine is a periodical published every three months.

季刊是每3个月出版一次的期刊.

Periodical indexes are one of the best sources to use when writing a research paper.

期刊索引是你写一篇研究论文时最好的资料来源之一.

Although all flowers blooms together in the female periodical field, it has some fatal flaws.

但是,在女性期刊业界百花齐放的同时, 它存在着一些致命缺陷.

...periodical screening for cancer.

定期进行肿瘤检查

Where is the periodical room?

期刊室在哪?

Statistic result shows that the periodical have high academic level and excellent quality.

统计结果反映出该刊具有较高的学术水平和优秀的编辑质量.

I should be glad if you could insert this article into your periodical.

如果能把这篇文章登在你的期刊上我将很高兴.

...a monthly periodical.

月刊

IT Time Weekly is a commerce periodical, which profound changes in commercial transform information era.

《IT时代周刊》是一本以“深刻解读信息时代商业变革”为主题的商业杂志.

Hold the periodical meeting with the relevant Dept to discuss the pending issues.

召开定期会议和相关部门讨论未解决的质量问题.

He drinks far more than she, and is periodically rebuked.

他喝酒比她厉害得多, 为此,有时受到她的责怪.

Invading woody vegetation, especially of the same species, should be controlled periodically to prevent confusion.

入侵的木本植物, 特别是同一种类的, 应当定期地除去,以防止混杂.

Violent winds periodically drive clouds of dust around Mars.

狂风间歇地席卷火星上的尘云.

The simplest imposed conditions are those in which the loading is periodically and uniformly repeated.

最简单的加载情况是周期地、均匀而重复地施加的载荷.

Police were periodically patrolling the area.

警察定时在这一地区巡逻。

Dynamic RAM's need to be refreshed periodically.

动态RAM则需要周期性地刷新数据.

Besides, there are more than 30 local environmental newspapers and several hundred professional periodicals.

中国还有30多家地方环境报和数百种环境专业期刊.

Periodicals are usually separated into two major groups: popular and scholarly.

期刊杂志常常被分为两大部分: 流行杂志和学术期刊.

There are so many good articles in papers and periodicals recently that one can't read them all.

最近报刊上有那么多好文章,简直看不过来.

The walls would be lined with books and periodicals.

这几面墙会摆放书籍和期刊。