It originated in the Yellow River valley where wheat was grown.

Emergence of historical China along the Yellow River Valley.

沿黄河河谷的有史可考的中国出现在世界上.

Being grown in northern part of China and River ( Yangtse River ) valley.

在中国北方及长江流域均有栽培.

Is located in Haihe River valley, more developed river systems.

地处海河流域, 水系比较发达.

Injections of vapour phase may be effected by static or dynamic head-space injection systems.

气相进样可能会受静态或动态顶空进样系统的影响.

In this paper, the vapour phase proton-exchange methods ( VPPE ) are studied.

本文主要研究气相质子交换 法制作 铌酸锂光波导的技术.

Developments of diamond films by plasma chemical vapour deposition are reviewed in the paper.

本文评述了化学气相沉积法制备人造金刚石薄膜的进展情况.

Methods: Under the same conditions, the method of life table and analysis of variance was used.

方法: 在相同条件下, 采用生命表的方法和方差分析.

Table 3 The analysis of variance of process variables to extrudate's experimental results.

表3加工参数对各反应性状之变方分析.

NOTE 12— Guide G 169 includes examples showing use of analysis of variance to compare materials.

备注11费歇尔举例说明了在规格中使用试样和对照材料的等级对比.

Discrete level of data of every tested item was introduced through experimental coefficient of variation.

运用经验变异系数来表述各检验项目数据的离散程度.

The temperature variation, physicochemical index variation and microorganism extinction-growth in the piling fermentation were detailed.

详细介绍了堆积过程中温度变化情况, 理化指标变化情况及微生物消长情况.

Temperature variation is an important factor affecting ring rolling process.

温度变化是影响环件轧制过程的重要因素.

Children, pregnant women, a very serious high blood pressure, cardio-cerebral vascular disease, the infirm.

儿童 、 孕妇极严重高血压等 心脑血管 疾病患者 、 年老体弱者.

Stroke, an important cerebral vascular disease, is one of the threats to human health.

脑卒中是危害人类健康的重要脑血管疾病之一.

Objictive: Tocontrast effect of EEG, EP, TCD, and CT in diagnosing cerebral vascular disease.

目的: 比较脑电图 、 诱发电位 、 脑彩超及CT在诊断脑血管病中的作用.

A history of cerebrovascular or peripheral vascular disease increases the likelihood of associated CAD.

脑血管或周围血管病病史可增加相关CAD的可能性.

To study the relation between the level of serum uric acid and cerebral vascular disease.

目的:探讨血尿酸与脑血管病的关系.

Objective To study the relationship between cell apoptosis and vascular disease.

目的探讨细胞凋亡与血管病变的关系.

Amongthem , in magnetic characteristic code application technology vassal state first-class on the country.

其中, 磁性特征码应用技术属国内 一流.

These electronic giants had vast scale, experience, distribution networks and research and development facilities.

这些电子巨头,规模庞大, 经验丰富, 销售网络完善,研发设施齐全.