Variety and moisture of poplar are main factors affected occurrence and expansion of the disease.
杨树品种和水分状况是影响病害发生流行的关键因子。

Derivation and Application on Expansion Coefficient and Contraction Coefficient of Expansion Soil
膨胀土的膨胀系数, 收缩系数求解及应用

We want to buy Nozzles, Hoses, Coupling and Flexible Expansion Joints Bellows and Expansion Joints.
我们要采购喷嘴，水管，联结和有柔性的扩充连接风箱。

and helping to uncover the strange fact that the expansion of the universe seems to be accelerating.
帮助人们发现宇宙看上去正在加速扩张这一奇特事实。

General acoustical inverse scattering perturbation theories and method of formal parameter expansion
普遍声逆散射微扰论与形式参数展开法

The designing Method of Retaining Rings in the Process of Hydraulic Expansion with Additional Liquid
在护环外补液胀形工艺中护环阻力环的设计方法

The Influence of the Expansion of College Enrollment on Adult Education and Corresponding Strategies
关于普通高校扩招对成人高教的影响与对策

But a big expansion of the US military presence in Afghanistan had not been part of the calculation.
但美国向阿富汗大举增兵并不在考虑范围之内。

The absorbing water thickness expansion rate must achieve the national superior product the standard.
吸水厚度膨胀率要达到国家优等品的标准。

The distribution and expansion of Rumex nepalensis was affected by local traditional grazing regimes.
土大黄的分布和扩张与传统的轮牧体系息息相关。

An analytical study on the specific property of abnormal thermal expansion of alumina titanate material
钛酸铝材料反常热膨胀特性的分析研究

The large displacement expansion joint is an expansion device between the main bridge and the approach.
大位移伸缩缝是连接主桥与引桥的伸缩装置。

All this has been done as excuses for their continued pursuance of a policy of aggression and expansion.
这一切都是为其坚持侵略扩张政策制造借口。

Discussion on Expansion and Shrinkage Phenomena of the Loose Tube and Jacket in Aerial Fiber Optic Cables
架空光缆中松套管和护套的伸缩现象探讨

Integrated process of nitrogen expansion and liquefaction for precooling CBM by adsorbing residue pressure
利用吸附余压预冷的煤层气氮膨胀液化流程

EXPANDED GRAPHITE Effects on the Heat of Hydration and the Temperature Rise of Composite Expansion Admixture
复合膨胀掺合料对水化热和混凝土温升的影响

Introduces and analyses the calculating software of steam parameters and enthalpy drop of adiabatic expansion.
介绍与分析水蒸汽参数和绝热膨胀焓降的计算软件。

This advantage can reduce the mold wall movement caused by the graphitization expansion of ductile iron casting.
这一特点可以减少球铁石墨化膨胀引起的型壁移动。

Effect of human umbilical cord blood adherent cells on the expansion of umbilical cord blood hematopoietic cells in vitro
人脐血贴壁层细胞对脐血造血细胞体外扩增的作用

I would therefore recommend an expansion of the civilian police advisory unit to a total number of eight police advisers.
因此，我建议将民警顾问股扩编到八名警务顾问。

Comparison of the Effect of Distribution Performance Comparison by Thermostatic Expansion Valve and Electronic Expansion Valve
热力膨胀阀与电子膨胀阀对分液性能影响的比较

The outcome of expansion in the sixties and seventies will be an academic hierarchy securely supported by scholastic selection.
六七十年代扩招的最终结果将是一种受学院遴选制安全支持的学术等级制度。

Too great a variation of amplitude in either temperature or humidity will aggravate the periodic contraction and expansion of the surface of rock.
温, 湿度变化振幅过大, 会加剧岩壁表层周期性收缩膨胀

Current versions have an 8-hour battery life, a laptop-scale 233-MHz Pentium chip, 64 MB of RAM, and expansion ports that allow for wireless Web access or GPS navigation hardware.
目前生产的各种型号可穿戴电脑的电池使用时间可达八个小时，配置膝上型电脑用的233兆赫奔腾芯片，64兆比特内存，并带有扩充端口，使之能够无线上网或者配备全球定位系统GPS的导航硬件。

All of these provided the need for the development, application and expansion of the electronics gift certificate system, also making the electronics gift certificate system research have an actual application value.
这一切给电子奖券系统的研发、应用和推广提供了需求。