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- Another useful ecological unit that cuts across this hierarchical classification is the life system. 另一个横贯这些等级分类有用的生态单元就是生命系统。
- It also designs the land use model for landscape ecological unit, thus forming a high efficiency of agricultural land use molel and realizing sustainable land use and sustainable agric... 提出了景观优化格局的构建,单元景观的生态设计。
- Delineation of ecological units is an important task for forest land classification. 摘要生态单元之划分，为林地分级之首要工作。
- Basic ecological unit of inhabitation 基本人居生态单元
- Being the basal ecology unit of irrigation system, SWIS was also an aggregation of a number of fields, a much smaller scale unit. 灌区小流域既是灌区流域的基本生态结构单元，又是田块这一更小尺度的集合体。
- Theron Randolph, who set up an inpatient clinical ecology unit at a Chicago hospital, where he isolates people from most allergens and then tests them with one allergen at a time. 之所以提出这个观点，主要是想说明，宠物可能导致环境中令人过敏的因素增加，但宠物本身并不一定是过敏源。
- The luminous intensity on unit area. 单位面积上的发光强度。
- Many schemes have been devised to present the hierarchic nature of ecologic units. 我们已经设计了许多计划来表示生态单位的体系性质。
- The family is the smallest social unit. 家庭是社会最小的单位。
- Pressure is force per unit area. 压力就是电单位面积上的力。
- A set of data elements which are handled as a unit. 作为一个单元来处理的一组数据元素。
- The family is the basic unit of society. 家庭是社会的基本单位。
- A metric unit of area equal to 10 ares. 十公亩面积的公制单位之一，等于十公亩。
- A metric unit of mass equal to 100 grams. 百克公制质量单位，等于100克。
- A unit of power equal to 1,000 watts. 千瓦功率的单位，等于1,000瓦。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- A unit of currency in Chile, Panama, and Uruguay. 分智利、巴拿马和乌拉圭的货币单位
- A metrical unit consisting of seven feet. 七韵步由七个音步组成的格律单位
- A unit of currency in North Korea and South Korea. 朝鲜和韩国的一种货币单位
- A squad is the smallest unit in an army. 班是军队的最小构成单位。
