季节性的

Tree rings and seasonal sedimentary deposits called varves can be counted to determine absolute age.

可以对树木的年轮被称纹泥的沉积物进行计数来确定其绝对年龄。

The town relies on the seasonal tourist industry for jobs.

这个城镇全靠的旅游业提供就业机会。

The testes,ovarium and reproductive tube of adult treeshrew in its morphology and weight have marked seasonal changes.

成年树的睾丸、卵巢生殖管道的形态及重量有明显的变。

Since it always was a seasonal cycle, and the ascendency followed this behavior, we averaged the ascendency over 365 successive days (duration of one year) in the oscillatory phase.

它始终是一个的周期，并遵循了这一行的优势，我们的优势均超过365连续几天（期一年）的振荡阶段。