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| Terms for subject Environment (7358 entries) |
| karst (1. A German rendering of a Serbo-Croat term referring to the terrain created by limestone solution and characterized by a virtual absence of surface drainage, a series of surface hollows, depressions and fissures, collapse structures, and an extensive subterranean drainage network. 2. A type of topography that is formed on limestone, gypsum, and other rocks by dissolution, and that is characterized by sinkholes, caves, and underground drainage. Etymology: German, from the Yugoslavian territory Krs; type locality, a limestone plateau in the Dinaric Alps of northwestern Yugoslavia and northeastern Italy) | 岩溶 | |
| keep (M) under observation | 监视看 M | |
| kerosene (A thin oil distilled from petroleum or shale oil, used as a fuel for heating and cooking, in lamps, and as a denaturant for alcohol) | 煤油 | |
| keystone species | 基本种 | |
| Kranz-type | 克兰兹型 | |
| label orientated determination | 标签定位测定法 | |
| labelling (Attaching a notice to a product or container bearing information concerning its contents, proper use, manufacturer and any cautions or hazards of use) | 贴标签 | |
| laboratory (A room or building with scientific equipment for doing scientific tests or for teaching science, or a place where chemicals or medicines are produced) | 实验室 | |
| laboratory experiment (Tests or investigations carried out in a laboratory) | 实验室试验 | |
| laboratory research (Research carried out in a laboratory for testing chemical substances, growing tissues in cultures, or performing microbiological, biochemical, hematological, microscopical, immunological, parasitological tests, etc.) | 实验室研究 | |
| laboratory technique (No definition needed) | 实验室技术 | |
| laboratory test (Tests, examinations or evaluations performed in a laboratory) | 实验室测试 | |
| laboratory waste (Discarded materials produced by analytical and research activities in a laboratory) | 实验室废料 | |
| labour (One of the factors of production. It includes all the exertions - manual, physical or mental - by individuals, directed towards the production of wealth) | 劳动 | |
| labour force | 劳动力 | |
| labour law (The branch of the legal system which lays down the rules governing employment relationships, trade union relations, and state intervention to provide protection against particular situations of need for citizens who are workers) | 劳动法 | |
| labour market | 劳动力市场 | |
| labour relations (The dynamics or general state of the association between management and non-management employees in an enterprise, industry or nation, with special attention to the maintenance of agreements, collective bargaining and the status of unions) | 劳资关系 | |
| Labrador current | 拉布拉多潮流 | |
| lacquer (A material which contains a substantial quantity of a cellulose derivative, most commonly nitrocellulose but sometimes a cellulose ester, such as cellulose acetate or cellulose butyrate, or a cellulose ether such as ethyl cellulose; used to give a glossy finish, especially on brass and other bright metals) | 漆 |