The widely used method for extracting the watershed channel network from digital elevation model ( DEM), i.e. the water catchment area method, is presented.

A study on Forestation type of water catchment and conservation forests in the Qujiang River area, Sichuan P. R. China

渠江流域水源林、水保林造林类型研究

A new method& ratio of total area and path length method was presented for dividing the water catchment area in the design of rainwater system.

提出了雨水系统设计计算中划分汇水面积的新方法&面积管长比法（亦称树分法），即将汇水面积按管长分配的方法。

Discussion on Division of Water Catchment Area by Using the Ratio of Total Area and Path Length Method

面积管长比法划分汇水面积的探讨

Characterization and Features of the Language in "The Catbird Seat"

《胜券在握》中的人物刻画及语言特色

Joe enjoys sitting in the catbird seat.

乔享受着他的有利地位。

If he had not been hurt, his team would be sitting in the catbird seat.

要是他没有受伤的话，他的球队会处于非常有利的地位。

Catarrhal interstitial pneumonia.

卡他性、间质性肺炎。

The results showed that the typical anatomopathological change was intestinal mucous membrane shedding, bleeding and catarrhal inflammation.

结果表明，该病特征性的病理剖检变化为肠黏膜脱落出血，呈卡他性炎症表现。

Malignant Catarrhal Fever Virus, Clone: 15-A-AC, Mab anti-, Ascites.

恶性卡他热病毒，克隆号：15-A-AC，单克隆抗体抗，腹水。

Development of a competitive PCR assay for quantifying sheep-associated malignant catarrhal fever viral DNA

定量测定羊关联性恶性卡他热病毒DNA的竞争性PCR方法的建立

Only fragmentary information on pathogenesis of bovine malignant catarrhal fever is available.

关于牛恶性卡他热的病理发生，仅能获得一些零星的资料。

This method can be used to predicate the resistance of the foil augmented catamaran with similar catamaran hull parameters and different hydrofoil parameters.

该方法可以扩展应用至具有相似双体船型参数和不同水翼参数的水翼双体船的阻力预报。

Experimental Investigation on Resistance of High Speed Catamaran with Deep Vee Hull Forms

深V型高速双体船船型阻力性能试验

Barge aboard catamaran Analysis of Hull Form and Propulsion System of Medium and Large Ro-pax Ferry

双体单甲板小型载驳船中大型客滚船的线型与推进系统分析

The Catalytic Action of Metal Complex Polymer in Synthesis of Dimethyl Carbonate

高分子金属配合物用于合成碳酸二甲酯的催化性能

Catalytic Action of Composite Oxide Ceramic Material at Low Temperature

复合氧化物陶瓷材料在较低温度下的催化性能

Catalytic Action of ZnO on the Thermal Decomposition of Urea

氧化锌对尿素热分解过程的催化作用

Some rules of catalytic action in hydroformylation with transition metal complexes

过渡金属络合物对氢甲酰化反应的某些催化作用规律

Exploration on the development space for domestic catalytic reforming unit

我国催化重整装置发展空间的探讨

Field Welding Technology and Management for Pipes of Catalytic Reforming Furnace

催化重整炉炉管的现场焊接技术与生产管理