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| Terms for subject Environment (7358 entries) |
| valley (Any low-lying land bordered by higher ground; especially an elongate, relatively large, gently sloping depression of the Earth's surface, commonly situated between two mountains or between ranges of hills or mountains, and often containing a stream with an outlet. It is usually developed by stream erosion, but may be formed by faulting) | 山谷 | |
| valued ecological components | 定价生态组分 | |
| valued ecosystem component (An appraised, evaluated or estimated element or ingredient of a biological community and its non-living environmental surroundings) | 重要生态系统要素 | |
| Van't Hoffs reaction rate-temperature rule | 范特霍夫反应速度-温度定律 | |
| vanadium (A silvery-white, ductile metal resistant to corrosion; used in alloy steels and as an x-ray target) | 钒 | |
| vandalism (The deliberate or wanton destruction of personal or public property caused by a vandal) | 恶意破坏行为 | |
| vanished species (Species which have disappeared from an area because of adverse environmental conditions) | 消失的物种 | |
| vapour pressure (The partial pressure of water vapour in the atmosphere. For a liquid or solid, the pressure of the vapour in equilibrium with the liquid or solid) | 蒸气压 | |
| vapour pressure | 蒸气压力 | |
| vapour recovery system (Gas feedback device: while refuelling gasoline vapors are sucked off and led back again into the storage tank) | 油气回收系统 | |
| variety collection (Assemblage of cultivated plants that are distinguished by any characteristics (morphology, physiology, etc.) significant for purposes of horticulture, agriculture or forestry) | 品种收集 | |
| varnish (A transparent surface coating which is applied as a liquid and then changes to a hard solid; all varnishes are solutions of resinous materials in a solvent) | 油漆 | |
| vector (One of the two major types of internal data organization used in GIS. Vector systems are based primarily on coordinate geometry and take advantage of the convenient division of spatial data into point, line, and polygon types. Vector structures are especially suited to storing definitions of spatial objects for which sharp boundaries exist or can be imposed) | 向量 | |
| vector of human diseases (An agent or organism that acts as a carrier or transmitter of a human illness) | 人类疾病的载体 | |
| vector to raster (Methods to convert remotely sensed raster data to vector format. A number of vector-to-raster and raster-to-vector conversion procedures have been developed and introduced to current releases of many GIS packages) | 矢量到光栅 | |
| vegetable (Any of various herbaceous plants having parts that are used as food) | 蔬菜 | |
| vegetable cultivation (Cultivation of herbaceous plants that are used as food) | 蔬菜种植 | |
| vegetable oil (An edible, mixed glyceride oil derived from plants (fruit, leaves, and seeds), including cottonseed, linseed, tung, and peanut; used in food oils, shortenings, soaps, and medicine, and as a paint drying oil) | 植物油 | |
| vegetable waste (Waste, comprised mainly of vegetable matter, which is capable of being decomposed by microorganisms) | 植物废料 | |
| vegetation (1. The plants of an area considered in general or as communities, but not taxonomically; the total plant cover in a particular area or on the Earth as a whole. 2. The total mass of plant life that occupies a given area) | 植被 |