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| Terms for subject Environment (7358 entries) |
| natural disaster (Violent, sudden and destructive change in the environment without cause from human activity, due to phenomena such as floods, earthquakes, fire and hurricanes) | 自然灾害 | |
| natural drainage system | 自然排水系统 | |
| natural environment (The complex of atmospheric, geological and biological characteristics found in an area in the absence of artifacts or influences of a well developed technological, human culture) | 自然环境 | |
| Natural Environment Research Council | ||
| natural fertiliser (Organic material added to the soil to supply chemical elements needed for plant nutrition) | 天然肥料 | |
| natural fibre (A textile fiber of mineral, plant or animal origin) | 天然纤维 | |
| natural forest (A forest area that has developed free from the influence of humans and remains largely unaffected by their activities. The natural forest may include, but is not necessarily equivalent to, an old-growth forest) | 天然林 | |
| natural gas (A natural fuel containing methane and hydrocarbons that occurs in certain geologic formations) | 天然气 | |
| natural gas | 天然煤气 | |
| natural gas exploration (Underground prospection conducted with various methods to discover natural gas deposits which are usually found in the immediate vicinity of crude petroleum) | 天然气勘查 | |
| natural gas extraction (The tapping of natural gas from wells located under the sea and in general from underground sources often in association with petroleum deposits; it is used as a fuel, having largely replaced coal-gas for this purpose, and as a source of intermediates for organic synthesis) | 天然气开采 | |
| Natural Gas Pipeline Safety Act | ||
| natural gas vehicle | 天然气汽车 | |
| Natural Gas Vehicle Coalition | 天然气汽车同盟 | |
| natural hazard (The probability of occurrence, within a specific period of time in a given area of a potentially damaging phenomenon of nature) | 自然灾害 | |
| natural heritage (Generally, the world's natural resources as handed down to the present generation, and specifically, the earth's outstanding physical, biological and geological formations, and habitats of threatened species of animals and plants and areas with scientific, conservation or aesthetic value) | 自然遗产 | |
| natural heritage assessment (Evaluation of the natural structures, resources and landscapes to ensure their careful management and preservation) | 自然遗产评估 | |
| natural independence law (The inviolable, moral claim of non-human organisms and their habitats to exist unharmed or unchanged by human activity as postulated by certain environmental ethicists) | 自然独立性 | |
| natural material (No definition needed) | 天然材料 | |
| natural monument (A natural/cultural feature which is of outstanding or unique value because of its inherent rarity, representative of aesthetic qualities or cultural significance. Guidance for selection of a natural monument is: 1. The area should contain one or more features of outstanding significance (appropriate natural features include spectacular waterfalls, caves, craters, fossil beds, sand dunes and marine features, along with unique or representative fauna and flora; associated cultural features might include cave dwellings, cliff-top forts, archaeological sites, or natural sites which have heritage significance to indigenous peoples).; 2. The area should be large enough to protect the integrity of the feature and its immediately related surroundings) | 天然纪念物 |