seasonal variation

基本解释

While initial research was aimed at looking at seasonal variations in diet, the isotopic tests pointed them instead to apparent gender variations.
虽然初始的研究是为了确定其食物随季节的变化，同位素测试让他们发现了明显的性别差异。
Doing so, it may be possible to increase the availability and variety of food by improving agricultural productivity and reducing seasonal variations in food supplies.
这样做，可以通过提高农业生产率和减少粮食供应的季节波动，增加粮食的可供量和种类。
Despite large seasonal variations, the mean wind speed over the oceans hasn’t changed much in the last two decades, the researchers report today in the journal Science.
尽管有很大的季节性变化，但是在过去的20多年里通过大洋的风速并没有很大的变化，研究者在今天的科学杂志上报导的。

Such long storage periods were necessary because egg production was not consistent with seasonal variations.
FORBES: Natural Protection
We think that macro headwinds combined with seasonal variations is the primary reason for the conservative estimate.
FORBES: Key Drivers To Broadcom's $45 Valuation
We feel that macro headwinds combined with seasonal variations are responsible for the slowdown and believe that Broadcom has the capacity to retain its foothold in the infrastructure and network market in the future.
FORBES: Broadcom's Future Look Bright Heading Into Earnings

季节变化
Seasonal variation of soil enzymes are July>May and September.
6、土壤酶活性季节变化规律是:7月酶活性>5月、9月酶活性。
季节动态
The results show that the stream water of each watershed in reserve is weak acidic or neutral, Ca2+ is the most abundant cation, in the case of anions,HCO3- presents the highest concentration, and all ions show seasonal variation.
保护区不同支流集水区pH值均呈弱酸性至中性,阴离子均以HCO3-为主,阳离子均以Ca2+为主,且集水区溪流水离子浓度呈现出一定的季节动态。
季节变动
The seasonal distribution of phytoplankton has such characteristic: In summer(in August) the biomass of phytoplankton is much larger than that in spring(in May). This feature reflects the law of phytoplankton biomass’seasonal variation.
从该海区浮游植物的数量季节分布看,夏季(8月)浮游植物的数量远高于春季(5月),这种变化反映了渤海湾区域浮游植物数量的季节变动规律。
环境科学技术
季变化