查询词典 filix mas

Generally speaking, both the stand structure and the survival curves of population show that Picea schrenkiana-Dryopteris filix-mas pure stand is in a continuous regeneration.

此外，种群存活曲线总体趋势呈现&凹&型，表明该种群是一个连续更新的种群，在林分生长发育过程主要受到小尺度林冠干扰的影响。

The results are as follows:① The population structure of Picea schrenkiana-Dryopteris filix-mas pure stands is stable, the patterns of age, diameter and the height of Picea schrenkiana-Dryopteris filix-mas pure stands are all in inverse J-shaped curves, indicating a typical uneven-aged stand structure.

以西天山国家自然保护区内1 hm^2原始鳞毛蕨(Dryopteris filix-mas)天山云杉纯林临时标准地调查材料为基础，分析鳞毛蕨天山云杉林胸径、树高和年龄结构、种群存活曲线以及基本测树因子之间的相互关系。

The reasons of iron ions content overproof in grade Ⅱ desalting water system,such as variation water quality,contamination of regenerant , operation adjustment of pretreatment system and switching operation of bed were discussed.

对二级脱盐水系统中铁离子含量超标的原因，如来水水质发生波动、再生剂受到污染、预处理系统操作调整、床体运行切换等进行了论述。

You were hired to drum up new business, so go and do it.

公司雇你招徕新业务，你就做你的事好了。