先导的

The center will op-erate based on market economic mechanism;give full play to High-Tec enterprise's guiding role to promote the eco-nomic development and social progress both Heilongjiang province and ocher part of China.

焊接材料及产品检验等二十多个实验室，为中心提供全方位的技术服务。该中心按市场经济机制运行，充分发挥高新技术企业的先导作用，为黑龙江省及全国各地的经济发展和社会进步服务。

The disadvantages of ecotourism are 'spearheading', the 'leakage' of income away from the local area and overexpansion of tourism.

生态旅游的缺点是"先导作用"，收入从局部地方的"漏出"和旅游的过度扩展。

In order to find active pesticide leading compounds, thinking about that triazolothiadiazoles had various biological activities, this paper designed and synthesized 11 novel title compounds from 3-substituted-4-amino-5-mercapto-1,2,4-triazoles with heterocyclic carboxylic acid via cyclization in the presence of phosphoryl chloride by the princple of combination of active strucural moieties. The structures of the title compounds were characterized by melting point, IR, 1HNMR and elemental analysis.

为了寻找高活性农药先导化合物，考虑到三唑并噻二唑衍生物具有广泛的生物活性，本文利用活性亚结构拼接原理，将活性基团分别引入1，2，4-均三唑并[3，4-b]-1，3，4-噻二唑杂环的3位和6位，合成了未见文献报道的3，6-二取代均三唑并[3，4-b]-1，3，4-噻二唑类化合物11个，并用IR、1HNMR及元素分析测试技术对其进行了结构表征。

The measure model of knowledge network structure is developed based on three levels,including actor level,inter-actor level and network level.Pretest, pilot test,and survey are implemented to purify the items.And,reliability ad validity of the instrument is tested empirically.

在现有研究的基础上，基于个体层面、企业间层面、网络层面3个层面构建了知识网络结构的测量模型，经预测试、先导测试以及问卷调查等方式对该工具进行精练，并实证检验了该量表的可靠性和有效性。

The lever is designed as a proportional and amplifying part in order to coordinate the transmitted force and control the length reductionXt2and then accordingly control the pressurep1continuously.

系统的核心部分是一个专用先导式溢流阀，它起到根据控制信号调节系统压力p1的作用，实现机—液的转换。

Pilot-operated pressure regulating valve the air is normally provided by a small supply of direct-acting pressure reducing valve.

先导式减压阀的调压空气一般是由小型的直动式减压阀供给的。

Describes follow-through and the three-point landing, both of which are essential components of the straight lead.

讲解截拳道先导前手直拳的要领。本期讲解的是发力瞬间的三点支撑与跟进动作要诀

First, sunlight's ultraviolet rays act on a precursor compound in skin.

首先，阳光的紫外线采取行动的先导化合物的皮肤。

The method will enable electric power measurement theory more perfect, and will provide a theoretical basis for the development of electric metering technology and technology pilot for the development of a wattmeter which has a broader scope and more reasonable measurement.

该方法将促使电功率的测量理论更加完善，为电能计量技术的发展提供理论依据，为研发适用范围更广、计量更合理的电能表提供技术先导，而且在电力网功率、电能测量等领域具有现实意义和应用前景。

The method will enable electric power measurement theory more perfect, and will provide a theoretical basis for the development of electric metering technology and technology pilot for the development of a wattmeter which has a broader scope and more reasonable measurement. The method has practical significance and application prospects in the fields of power and electric energy measurements.

该方法将促使电功率的测量理论更加完善，为电能计量技术的发展提供理论依据，为研发适用范围更广、计量更合理的电能表提供技术先导，并且在电力网功率、电能测量等领域具有现实意义和应用前景。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。