The earliest classification system written in the book Qi Lue is “one divides into six”.
《七略》创立的六分法分类体系是我国最早的图书分类法 ;魏晋时期 ,一种新的分类法——四分法应运而生。
In order to determine a suitable outfall location of wastewater marine disposal engineering in Shanghai Jinshan District,the paper discussed the water depth distribution,time-space variation of seabed erosion and siltation,seabank and seabed stability etc.
上海市金山区污水海洋处置工程需要确定合适的排污口位置,为此分析了金山区金山嘴附近的海域水深分布状况、海床冲淤时空变化以及岸滩与海床的稳定性等,对金山区市政污水排海工程排污口的几个设置方案进行了比选研究,最终确定了最佳排污口位置。
Bathymetric survey and modern limnological parameters of Nam Co,central Tibet
西藏纳木错水深分布及现代湖沼学特征初步分析
marine fishes widely distributed in mid-waters and deep slope waters.
广泛分布于中深度及深斜坡水域的海生鱼。
Spatial density and position of measured bathymetric data
已测水深数据的分布密度和位置
Exploration for the safety depth of navigation in a subaqueous dune′s regime
水下沙波分布区安全航行水深的计算方法
Spatial distribution and ecological adaptability of wetland vegetation in Yellow River Delta along a water table depth gradient.
水深梯度下湿地植被空间分布与生态适应
Correlations of Snow Depth over the Tibetan Plateau in Winter and Spring with Precipitation in Summer over China
青藏高原冬春雪深分布与中国夏季降水的关系
Study on Fe Occurrence and Geochemical Simulation of Groundwater in the Deep Confined Water in Zhanjiang
湛江市深层承压水铁分布和地球化学模拟研究
Distribution and annual variation of chlorophyll a in summer in the sea area of the Yangshan Deepwater Port
洋山深水港区域夏季叶绿素a分布及年际变化
ELASTIC-PLASTIC ANALYTICAL SOLUTION OF DEEP BURIED CIRCLE TUNNEL CONSIDERING STRESS REDISTRIBUTION
考虑应力重分布的深埋圆形透水隧洞弹塑性解
There are numerous deep tidal channels herefanning out landward.
这里有许多深深的潮汐水道向着陆地成扇形分布。
A study of soil moisture under different models of land use in Changwu tableland
长武塬区不同土地利用条件下土壤水分深剖面分布特征比较
Analysis on the Distribution and Movement of Suspended Sediment at Yangshan Deep-water Harbor in Shanghai
上海洋山深水港区海域悬沙分布特征及运动规律分析
It also proved to be a good bush species for water-and-soil conservation, with its fast-growing characteristic and well developed deep root system.
生长迅速，枝叶发达，根系分布深，为优良的保水固土灌木。
The Study of Residual Oil Distribution and Production Techniques of Low Permeability Reservoirs in High Water-cut Stage Taking the Example of Wendong ES3_M Reservoir;
文东深层低渗透油藏中高含水期剩余油分布及挖潜技术研究
Distribution of dominant plant species and characteristic of its communities on the foreland of Cele Oasis in relation to groundwater level
策勒绿洲外围不同地下水埋深下主要优势植物的分布和群落特征
Effects of drip irrigation placement depth on distribution of soil water & nitrogen and spring maize yield
滴灌带埋深对田间土壤水氮分布及春玉米产量的影响
Spatial distribution of shallow groundwater depth,total dissolved solid and nitrate pollution
浅层地下水埋深、矿化度及硝酸盐污染的空间分布特征
Study of Ground Water Level Spacial-temperal Dynamic Distribution in Minqin Oasis of Shiyang River Lower Reaches
石羊河下游民勤绿洲地下水埋深时空分布动态研究