In this paper, we studied the spectral character of our study region in detail and based our classification system on the spectral character and our filed work.

仔细分析了研究区典型地物的光谱特征和同物异谱与异物同谱现象，并结合实地考察建立了分类体系。

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The adverse circumstances of filed work, incorrect operation and maintenance delayed often cause component destroyed and make the volumetric efficiency low down.

可控震源在野外工作的环境恶劣，再有非规范性操作或不及时进行系统维护等情况，就会造成系统元件的损坏。

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The Filed Against field specifies the category of a work item.

Category字段指定工作物件的功能区域。

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The original patent was filed after work done on text based information systems such as Prestel by the General Post Office (GPO).

BBC: BT claims patent on web links

Moreover, while most of the original claims were filed under product-liability clauses, where liabilities are capped, the later claims are being filed under general work-environment clauses, which impose no limit on awards.

ECONOMIST: Unpleasant stuff | The

The researchers published their work, then filed the details (along with 200 seeds) in cold storage.

FORBES: Chutzpah Science