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| Terms for subject Environment (7358 entries) |
| habitat adaptation | 生境适应 | |
| habitat destruction (Destruction of wildlife habitats by increasing pressure for land by fast-growing human populations, pollution and over-exploitation. Whole species or populations of plants and animals have disappeared causing a loss of genetic resource that is not only regrettable from an aesthetic or philosophical point of view but also threatens man's food supply. Habitat loss takes several forms: outright loss of areas used by wild species; degradation, for example, from vegetation removal and erosion, which deprive native species of food, shelter, and breeding areas; and fragmentation, when native species are squeezed onto small patches of undisturbed land surrounded by areas cleared for agriculture and other purposes) | 栖息地破坏 | |
| haematology (The branch of medical science concerned with diseases of the blood) | 血液学，血液病学 | |
| Hagen-Poiseuille law | 哈根-普色伊尔定律 | |
| hail (Precipitation in the form of balls or irregular lumps of ice, always produced by convective clouds, nearly always cumulonimbus) | 冰雹 | |
| half-life (The time required for one-half the atoms of a given amount of radioactive material to undergo radioactive decay) | 半衰期 | |
| haloform (A haloalkane, containing three halogen atoms, e.g. iodoform, CHI3; a haloform reaction is a reaction to produce haloforms from a ketone. For example, if propanone is treated with bleaching powder, the chlorinated ketone so formed reacts to form chloroform) | 卤仿 | |
| halogenated biphenyl (Halogen derivatives of biphenyl) | 卤化联苯 | |
| halogenated compound (A substance containing halogen atoms) | 卤化物 | |
| halogenated hydrocarbon (One of a group of halogen derivatives of organic hydrogen and carbon containing compounds; the group includes monohalogen compounds (alkyl or aryl halides) and polyhalogen compounds that contain the same or different halogen atoms) | 卤化碳氢化合物 | |
| halogenated phenol (Halogen derivatives of phenol) | 卤化酚 | |
| halogenated pollutant (An organic compound bonded with one of the five halogen elements (astatine, bromine, chlorine, fluorine, and iodine). Several of these compounds contribute to reductions in the concentration of ozone in the stratosphere) | 卤化污染物 | |
| halogenated terphenyl | 卤化三联苯 | |
| handicraft (A particular skill performed with the hands) | 手工艺，手工艺品 | |
| handicraft business (The profession, commercial firm or trade involving the production and distribution of articles that are made through the skilled use of one's hands) | 手工艺业 | |
| harbor | 避难 〔藏身〕 | |
| harbour (Area of water next to the coast, often surrounded by thick walls, where ships and boats can be sheltered) | 海港 | |
| harbour | 避难 〔藏身〕 | |
| hard-to-dispose-of waste (Discarded material, often hazardous or in large volume, for which there is no obvious disposal route) | 难处理废弃物 | |
| hardness (Resistance of a solid to indentation, scratching, abrasion or cutting) | 硬度 |