preliminary estimate and estimate

基本解释

The region's economies grew by an average of 6% last year, according to a preliminary estimate from the United Nations Economic Commission for Latin America and the Caribbean.
根据联合国拉美暨加勒比海经济委员会的初步估计，去年拉丁美洲的经济平均增长了6%。
Moreover, this is a preliminary estimate and past revisions have sometimes been quite large; barely perceptible growth of 0.1% in late 2009 was subsequently pushed up to 0.5%.
此外，这只是初步估计，有前车之鉴表明初步估计与事实有时相差甚大。 2009年末几乎不能感觉到的0.1%增长率最终被推升至0.5%.
The author analyzes weak link and effective factors of current preliminary design budget estimate and set forth the thinking of keep on increasing quality of design budget estimate.
分析当前初步设计概算的薄弱环节和影响因素，提出不断提高设计概算质量的思路。

However, our preliminary estimate -- based on information in our 2003 Report to Congress and some limited follow-up with agencies -- is that approximately 55 (about 35%) of these nominations have resulted in agency action.
WHITEHOUSE: Testimony of John D. Graham
The Deutsche Bank estimate echoes preliminary speculation from the Insurance Information Institute that U.S. and non-Japanese insurers could escape the Japanese earthquake with limited damage.
FORBES: Japan Quake Losses For U.S. And Bermuda Reinsurers May Not Exceed $25 Billion
The company revised its preliminary adjusted results showing earnings in January to reduce the estimate for charges related to discontinuing breakfast at certain locations and to reduce depreciation and amortization.
NPR: Wendy's Stands By Outlook Amid Transformation Push