a natural period的意思|示意

As a unique seasonal natural phenomenon along the coastal areas, Salty Tide usually occurs in the dry season or the period of drought.

由于咸潮上溯属于沿海地区一种特有的季候性自然现象，多发于枯水季节、干旱时期。

The cause is that functions of the humanities are not so direct, rapid and clear, as the natural science in a short period of time.

其原因是人文科学的作用一时没有自然科学那么直接、迅速和明显。

One of the reasons the site is so valuable to scientists is that it opens a window on the natural world just prior to a period of great, and puzzling, change.

对科学家来说这个遗址极为重要的一个原因是：就在令人茫然的巨变发生之前，它为我们打开了一扇通往自然世界的窗。

Strategic network as a new type of construction, also has the advantages and disadvantages of the new organization during the period of building, limited natural resources and new entry defects.

战略网络作为一种新型的组织形式，在构建期间也具备新组织创业期的特点和缺陷，即资源禀赋有限和新进入缺陷等。

In the archaeological excavations, dynasty, shang dynasty ruins unearthed a large number of natural, bei as physical currency has been used to the spring and autumn period.

在考古发掘中，夏代，商代遗址出土过大量天然贝，贝作为实物货币一直沿用到春秋时期。

And it naturally brought about a series of natural disasters impacting the period.

它自然带来了一系列的自然灾害影响的时期。