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- stand age class organization 林分龄级组成
- stand age class in photo interpretation 龄级组判读
- The 1st age class rhizome emerges at mid of growing season. 1龄根茎是在生长季中期开始形成的。
- At this age, the biomass of the age class is maximum. 在这个年龄，年龄组的生物量是最大的。
- The freezing injury degree relates to factors of topography, stand age and water body, etc. 冻害程度与地形、林分年龄、水体等因素有关。
- And the effects of the site type, silviculture density and stand age on the above indexes are studied. 并分别立地类型、造林密度、林分年龄对这些指标的影响进行了研究。
- R.V.R. was founded in 1979 in Bologna to manufacture telecommunication and F.M.Broadcasting equipment, and now is a dynamic company with a world class organization. 电子有限公司成立于1979年，在意大利博罗尼亚市生产通信及调频广播设备，目前已成为活跃的世界级跨国公司。
- Site type and stand age can significantly influence the paper properties whereas silviculture density effect isnt significant yet. 其中，造林密度对木材造纸特性的影响不显著，年龄、立地类型均显著地影响造纸特性。
- Among them, 35~age group was the maximum of death age class, constituting 29.1% of constitution of causes of death. 死亡年龄组以35岁的年龄段为最高;占死因构成的29.;1%25。
- The dry matter storage and water soluble sugar content in older age class rhizomes increased with year. 高龄级根茎的干物质贮量和水溶糖含量有一个逐年累积的增加过程。
- The dry matter storage and water soluble sugar content in P. communis rhizomes increased in quadratic with increasing age class. 随着龄级的增加，芦苇种群根茎的干物质贮量和水溶糖含量均呈二次曲线变化。
- The teaching method and the organization form, independently divide into classes organization method and so on the way, class inside and outside union. 在教学方法和组织形式方面，自主编班方式、课内外结合等组织手段；
- Day the city zone builds village class organization perforative in whole well-off demonstrative village establishs an activity in, right whole area 59 361 villages, house appoint can medium.. 天城区把村级组织建设贯穿在整个小康示范村创建活动中，并对全区361个村、59个居委会中的...
- The DBH, height and the wood volume of these three pine species are closely correlated to the stand age which can be expressed using the regressive equations, y = a + b, y=a + bx + cx2, and y = a + bx respectively. “三松”胸径、树高和材积随林龄的变化规律分别可用y=a+b1nx、y=a+bx+cx~2和y=a+bx回归方程来描述,相关紧密。
- The capacity for contribution of the modules of every age class of population was 2nd > 1st >3rd > 4th in terms of dry matter production in the milk stage. 乳熟期各龄级物质生产对种群的贡献力为2龄级>1龄级>3龄级>4龄级。
- The research results showed:the mean height,DBH,the individual volume and the growing stock increased distinctly with the increasing of stand ages. 结果表明:连栽尾巨桉林分胸径、树高和蓄积量均随着年龄的增长而明显增加,林分表现了早期强速生的特性。
- The average age of the boys in this class is fifteen. 本班男生的平均年龄是十五岁。
- Are you willing to stand surety for your brother? 你愿意当你弟弟的保证人吗？
- Last Sunday, our class organized some volunteer's activities, in which all of us took an active part. 上个星期天,我们班组织一些志愿活动,我们所有人都参加了。
- A dynamic selection rule was developed that maximizes the annual genetic response while constraining the rate of inbreeding per year to a predefined value in a population with overlapping generations and different number of age class between sire and dam. 一种扩展的动态选择规则能够在公母畜间有不同的年龄组数目的世代重叠群体内约束年近交速率为一个预定义值,逐年最大化遗传反应。
