Based on microbial activities, chemical and physical properties of soil, this paper summarizes the research dynamics at home and abroad of main token indexes of soil fertility(SF), and illustrates the relationship among different indexes, and then describes the prospect of study on soil fertility indexes in the fields of agronomy, agrology and environment science, etc.
从土壤的生物活性、化学、物理性质等3个方面,总结阐述了国内外土壤肥力主要表征指标的研究动态以及各个指标之间的相互关系,并展望了土壤肥力指标在农学、土壤学和环境科学等研究领域中的研究前景。
Studies on the macroscopic token indicator indicators of China fishery development with systematic economics theory;
基于系统经济的我国渔业发展宏观表征指标(体系)初步研究
THE AMPLITUDE AND WAVELENGTH OFSCR AS FUNCTIONS MARKING FAMILY FEELING EFFECTS;
SCR二项指标作为亲情作用表征函数的实验研究
Study on Tea by Dual-Index Sequence Analysis Method for ~1HNMR Fingerprint Spectra and SEM Observation of Leaf Epidermis;
茶叶~1HNMR指纹图谱双指标序列分析及其叶表皮微形态特征的研究
Characterization of Physical and Chemical Properties of Polyepoxysuecinic Acid;
绿色水处理剂聚环氧琥珀酸物化性能指标及表征技术
Complex Indication of Fragile Ecosystem and Analysis on Control Indexes-Taking Tarim River Basin as an Example;
脆弱生态系统复杂性表征及调控指标分析——以塔里木河流域为例
On the Index Slope Change Features of sEMG Signal Analysis for Low Back Pain Patients;
中老年下背痛患者表面肌电图信号分析指标斜率变化特征
Solid Phase Synthesis,Characterization and X-ray Indexing of Salicylaldehyde Thiosemicarbazone Complexes of Iron(Ⅲ);
水杨醛缩氨基硫脲铁(Ⅲ)配合物的固相合成、表征及X-射线指标化
Quality of the data delivery path, robustness of the overlay and control overhead are three important metric that about the"goodness"defined to evaluate the quality of the application layer multicast protocol.
数据通道质量、鲁棒性和控制开销是表征应用层多播性能质量的三个重要指标.
Clinical phenotype and endocrine metabolic parameters in polycystic ovary syndrome patients with and without hyperandrogenemia
多囊卵巢综合征伴和不伴高雄激素血症的患者临床表型及内分泌代谢指标比较
Charts of bloodless economic indicators.
标有冷冰冰的经济指标的图表
Specifies font for chart subtitle, labels, and legend.
为图表副标题、标签和图例指定字体。
A pointer cursor in the system-wide system pointer cursor list.
一个系统级的鼠标指针列表中的鼠标指针。
an emblematic design (especially in heraldry).
一个象征性的标志（尤指纹章）。
To identify by means of a distinctive mark or characteristic.
指纹鉴定以特殊的标记或特征来鉴别
Research on Characteristic and Index System of Comprehensive Transportation Demand;
综合运输需求特征及其指标体系研究
Study on Indexes of Health Supervision of Turner Syndrome after Final Diagnosis;
Turner综合征诊断后监测指标的研究
A System Clustering Method with Incomplete Attribute Information;
特征指标信息不完全的系统聚类方法
A Study on the Index System of Evaluation on Efficiency of Tax Collection and Management;
税收征管效率综合评价指标体系研究