prior period

基本解释

Second-quarter sales almost doubled to $9.9 billion, from $5.1 billion in the prior period, Vale said.
第二季度销售额同比增长近一倍，至99亿美元，去年同期的销售额为51亿美元。
In starter-making and prior period of fermentation, without heat energy provided by outside environment, enzymes in cells hardly activate and microbes rarely breed.
在制曲及发酵前期，如没有外界提供的热能，细胞的酶难以激活，微生物难以生育。
Article 14An enterprise shall, in the financial statements of the current period where it discovers any important prior period error, adjust the comparative data of the prior period .
第十四条企业应当在重要的前期差错发现当期的财务报表中，调整前期比较数据。

Also calculated is the direction of the change, if any, from the prior period.
FORBES: Largest-Charities Methodology: Size, Then Financial Efficiency
The Forbes list also calculates financial efficiencies for each charity and changes in those ratios from the prior period.
FORBES: The Largest U.S. Charities For 2012
As for defense spending—despite the big (annualized) Q4 drop from the prior period, 2012 defense spending was higher than 2008.
FORBES: Q4 Growth and the Sequester