background study

基本解釋

Four soil reference materials(ESS1~4) have been developed and applied in national environmental background study project as a tool of qualitative assurance & qualitative control.
環(huán)境背景值調(diào)查研究土壤標(biāo)準(zhǔn)物質(zhì)的研制，包括ESS-1～4四種土壤標(biāo)準(zhǔn)物質(zhì)。
First of all, based on the background study, the affects from the natural environment and the history to the formation and development of the folk song of northern Shaanxi province are demonstrated.
首先從陜北民歌生成的背景入手，闡述自然環(huán)境及歷史條件對于陜北民歌的形成和發(fā)展的影響；
This paper introduces modern test and fault diagnosis methods and then discusses common principle and method for design of its hardware, software and interface with the background study on lawn mower.
本文首先對現(xiàn)代檢測與故障診斷方法進(jìn)行了綜述，以某廠生產(chǎn)的駕乘式割草機(jī)、掃雪機(jī)變速箱為背景，論述了檢測診斷系統(tǒng)硬件、軟件、接口設(shè)計(jì)的一般原理和方法。

Before getting into some of the specific aspects of the study, some relevant background information provided by study co-author Lawrence Sanders, PhD, professor of management science and systems in the UB School of Management.
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