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Terms for subject Environment (7397 entries)
紫外线 ultraviolet radiation (The part of the electromagnetic spectrum with wavelengths shorter than light but longer than x-rays; in the range of 4-400 nm)
贫瘠生境 oligotrophic habitat
贫穷、贫困 impoverishment (No definition needed)
贫困 poverty (State in which the individual lacks the resources necessary for subsistence)
听觉感官, 对相应的声音刺激所产生的一般认知行为和特定反应。 hearing (sense, The general perceptual behaviour and the specific responses made in relation to sound stimuli)
听觉灵敏度,听力 hearing acuity (Effectiveness of hearing)
听觉障碍 hearing impairment (A decrease in strength or any abnormality or partial or complete loss of hearing or of the function of ear, or hearing system, due directly or secondarily to pathology or injury; it may be either temporary or permanent)
听觉保护、听力保健 hearing protection (The total of measures and devices implemented to preserve persons from harm to the faculty of perceiving sound)
听觉系统 hearing system (The system that is concerned with the perception of sound, is mediated through the organ of Corti of the ear in mammals or through corresponding sensory receptors of the lagena in lower vertebrates, is normally sensitive in man to sound vibrations between 16 and 27.000 cycles per second but most receptive to those between 2.000 and 5.000 cycles per second, is conducted centrally by the cochlear branch of the auditory nerve, and is coordinated especially in the medial geniculate body)
本土知识、土著文化 indigenous knowledge (Local knowledge that is unique to a given culture or society, which is the basis for local-level decision making in agriculture, health care, education and other matters of concern in rural communities)
本地娱乐 local recreation (A pastime, diversion, exercise or other means of enjoyment and relaxation that is carried out in a particular city, town or small district)
本地客运服务 local passenger service (Passenger transport system for a limited local area)
本底污染 background pollution
爬虫 reptile (A class of terrestrial vertebrates, characterized by the lack of hair, feathers, and mammary glands; the skin is covered with scales, they have a three chambered heart and the pleural and peritoneal cavities are continuous)
第一演替阶段 first stage of succession
第一族元素 element of group (Any of the monovalent metals lithium, sodium, potassium, rubidium, caesium, and francium, belonging to group 1A of the periodic table. They are all very reactive and electropositive; alkaline)
第七族元素 element of group (Any of the elements of the halogen family, consisting of fluorine, chlorine, bromine, iodine, and astatine)
第三产业部门 tertiary sector (The part of a country or region's economy that produces services or assets lacking a tangible and storable form)
第三族元素 element of group (Group III consists of two subgroups: group IIIb and group IIIa. Group IIIa consists of scandium, yttrium, and lanthanium, which is generally considered with the lanthanoids, and actinium, which is classified with the actinoids. Group IIIb, the main group, comprises boron, aluminium, gallium, indium, and thallium)
第三保护机制 third protective mechanism