second periods翻译

second periods的基本解释

读音: 美: 英:

第二节课:学校或其他教育机构中的第二个课程时间段。

例句

There were actually two periods of rain and lake formation: the first one began about 37,000 years ago; and the second one dates from about 10,000 years ago.事实上,这里有两个时期的降雨和湖泊形成:第一个始于大约37000年前;而第二个可以追溯到约一万年前。
“My forecast is not a V-shaped recovery or a W [a second dip, then recovery] but a long series of Us with periods of expansion followed by contraction,” says Mr Magnus.马格纳斯说,“ 我的预测市场走势既不是V型复苏,也不是W型复苏(二次探底,然后回升),而是长期多个U型构成扩张、收缩交替的震荡时期。”
Spam levels are down 24% from the third quarter of 2009 and 16% from the second quarter of 2010 while virus levels jumped 10% and 42% during the same periods respectively.自2009年三季度以来,垃圾邮件的数量下降了24%,自2010年二季度以来,垃圾邮件的数量下降了16%,而与此同时,在相同时期内,病毒数量分别升高了10%和42%。

短语

periods per second 每秒周期数 ; 每秒周期
0
纠错