precursor

Real tennis , an ancient precursor of the modern game , originated in the eleventh century

室内网球，现代网球运动的古老前身，起源于11世纪。

Analysis of Coke Precursor on Catalyst Used in Bio-oil Catalytic Cracking Upgrading

生物质油催化裂解精制中催化剂上焦炭前身物的分析

He said that the deal should not be seen as a precursor to a merger .

他说该笔交易不应该被看作是合并的前兆。

Exogenously supplied aspartate is not an active precursor of asparagine in plant tissues .

外来供给的天门冬氨酸，在植物组织中并不是一个活跃的天门冬酰胺前体。

Small cell lung cancer is neuroendocrine neoplasm and origins from apud ( amine precursor uptake decarboxylation ) cell .

小细胞肺癌是神经内分泌肿瘤，起源于apud（胺前体摄取脱羧化）细胞。

Error is often the precursor of what is correct .

错误常常是正确的先导。

Note the presence of megakaryocytes , erythroid islands , and granulocytic precursors .

可见巨核细胞，红细胞岛和粒细胞前体细胞

Phenyl ( or polyphenyl ) substituted epoxides serve as excellent precursors to phenyl ( or diphenyl ) carbenes .

某些苯代（或多苯）环氧乙烷是制取带苯环（或二苯）碳烯的极好原料

The robust regression method and model used in earthquake precursor data processing

地震前兆数据的稳健回归与建模

Experimental Study on Screening of Precursor of Essential Hypertension in Children

儿童原发性高血压先兆筛选的实验研究

Application of pattern recognition method Sn the comprehensive analysis of earthquake precursors

应用模式识别方法综合分析多项震兆

Unmanned monitoring system of dynamic time change of earthquake precursor data in the network

网上前兆数据动态时间变化无人值守警视系统

Progress in the observation and research on earthquake precursor wave

地震前驱波观测与研究进展

Correlation degree and fuzzy cluster analysis on strong earthquake precursors

强震前兆的关联度及模糊聚类分析

Research on Complexity of Underground Fluid as Earthquake Precursor and Its Mechanism

试论地下流体前兆复杂性及其机制

High performance carbon fiber precursor and oil agent

高性能碳纤维原丝与油剂

Modification of the pitch precursor for high performance carbon fiber

高性能沥青炭纤维前驱体的调制

Experimental results show that lead electrodes can record precursor in electrical field .

实验表明铅板电极可以用来记录电场前兆。

Study on cluster of short - imminent precursor in fault deformation

断层形变短临丛集性前兆研究

Brief Introduction of Precursor Database System of the Earthquake Administration of Shanxi Province

山西省地震局前兆数据库系统简介

The field and source precursors appear in old fault belts .

源兆和场兆都集中在老断层上。

Measuring method of gas mercury content in soil and its application in seismic precursor observation

壤中气汞量测量方法在地震前兆观测中的应用

First , the precursor of the low point movement appears in the time domain .

其表现为：（1）低点位移在时间领域分布异常；

Synthesis of Polyurethane Precursor and Application in Rubber Roll Field

PU预聚体的合成及在胶辊领域中的应用

Application of Probability Density Function Analysis in the Monitoring of Engine Aerodynamic Instability Precursor

概率密度函数分析监测发动机气动不稳定征兆

Study on the earthquake source and field precursors of crustal deformation in North China

华北地震场和源地壳形变前兆研究

Discrete seismic precursor means discontinuity in time and uncertainty in space .

离散性地震前兆是指地震前兆在时间上的断续性，前兆因素在空间上的不确定性。

The relationship between detection of thrombus precursor protein and myocardial infarction

血浆血栓前体蛋白的检测与心肌梗死的关系

Preparation of nanometer zinc oxide powders by different sol-gel precursor systems

不同Sol-Gel前躯体体系制备纳米ZnO粉体的研究

Characteristics of current crust movement and seismic precursors revealed by GPS Survey

GPS揭示的现今地壳运动与地震前兆特征