The core viewpoint aspect refers to those with higher grammaticalization level, including perfective and imperfective.

1、

Perfective verbs can be used in imperfective way, and vice versa.

完成动词可以转换为非完成动词，反之亦然。

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2、

Aspect is classified into two kinds of perfective and imperfective in aspectual systems.

体分为完成体和非完成体两种。

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3、

The harmful creditor's rights may emerge when environmental protection funds were invested because of the imperfective system.

环境保护基金在投资中由于体制等方面的原因会产生不良债权。

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4、

Recognition is finished. the mechanism of imperfective progressive in cognitive psychology

非完成动词进行体语义的认知机理

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5、

Studies on ecology and MORPHOPHYSIOLOGY of Rana PLANCYI PLANCYI in hibernation

金线蛙冬眠期的生态及形态生理研究

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6、

Effect of Water-Retaining Agent on Morphophysiology of Autumn-planted Sugarcane

土壤保水剂对秋植蔗形态生理效应的研究

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7、

Type genus of the Amaryllidaceae; bulbous flowering plants of southern Africa.

石蒜科植物的一个科的模式属；球根状南非开花植物。

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8、

A Primary Comparative Study on Leaf Epidermis of 6 Species in 6 Genera of Family Amaryllidaceae

石蒜科6属6种植物叶表皮的初步比较研究

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9、

Separation of Galanthamine from Amaryllidaceae Family and the Application in Medicine

石蒜属植物中加兰他敏的分离提取及其应用

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10、

Study on Physiological Characteristics in Cold Resistance of Several Amaryllidaceae Plants

石蒜科植物的抗寒生理特性研究

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11、

Reorganize the page order in a multi- page- scanned document or fax as easily as rearranging papers in a folder .

调整多页扫描文档或传真中的页面顺序如同排列公文夹中的纸张一样简单。

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12、

Millison enters. William assumes a business air, picks up two folders, and makes for the door.

梅里逊进场，威廉装出一本正经的样子，拿起两个公文夹，向门口走去。

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13、

A Novel Bimetallic Catalyst Consisting Two Carriers for Dehalogenation of Aromatic Halides in Aqueous System New Advance in Study of Hydrolytic Dehalogenation Catalyzed by Haloalkane Dehalogenase

双负载双金属催化剂催化芳香卤化物水相脱卤的研究烷基卤脱卤酶作用机制的研究新进展

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14、

Hydrolytic dehalogenation catalyzed by haloalkane dehalogenase is important to chemosynthesis and has quite potential use in environmental pollution.

烷基卤脱卤酶的催化脱卤反应具有重要的合成价值和治理环境污染方面的巨大潜力。

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15、

Due to the fine dispersity, high heat capacity, and ease of evaporation, water mists have got widely used and concerned about as the substitute of the haloalkane extinguishing agent.

细水雾具有良好的液滴分散性、高热容、易蒸发等特性，因此作为卤代烷烃灭火剂的替代物，细水雾灭火技术己得到了广泛的研究与应用。

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16、

Discussion on the calculation of spouting time of haloalkane 1211

卤代烷1211喷射历时求解方法探讨

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17、

Study on Preparation of Butyric Acid by Oxidation of Butyraldehyde

正丁醛氧化制备正丁酸工艺过程研究

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18、

Progress on research of catalyst for synthesis of butyraldehyde glycol acetal

合成丁醛乙二醇缩醛的催化剂研究进展

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19、

The Treatment Technology of Wastewater From n-Butyraldehyde Condensed Section

正丁醛缩合工段废水的处理

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20、

White board, letter paper or conference document cover

白板、信笺纸或会议文件套

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