公关活动提高产品知名度、产品主要特点和优点，以及可购买的地点。
Public relations activities raise awareness of the product, its principal features and benefits, as well as where to buy it.
本文简要介绍其设计特点和主要优点。
简述了P EXD型倒悬挂细碎颚式破碎机的力学行为和特点，包括运动学行为、力学分析和主要优点。
The paper briefly introduces the mechanics behaviors and characteristics about PEXD inverse hang fine jaw crusher, including kinematics behavior, mechanics analysis and main advantages.
本文介绍了流态化催化精馏原理、特点、相对于普通催化精馏的优点、主要应用及其适用范围。
This paper reviewed the theory, the characteristic, advantages over ordinary catalytic distillation, primary applications and scope of application of fluidized distillation.
与其他类型焊机相比较，本焊机具有许多优点。本文介绍该焊机的工作原理、特点、主要技术参数、测试结果与应用。
In Comparison with other types of welders, there are many advantages in this DC-Welder. The paper presents the principle, features, main technical parameters, testing results and its applications.
论述了离心球铁管的优点，用高炉铁水浇注离心球铁管的生产特点、工艺流程及主要设备。
The advantage of the centrifugal spherical iron tube has been discussed in this paper as well as the manufacturing characteristic of the tube made from the blast furnace.
“笑口常开”是我性格主要特点，爱笑、会笑，但不会取笑更是我本人的优点。
"Beaming" is a main feature of my personality, love to laugh, smile, but not laugh is my advantage.
本文主要介绍了太阳能聚光器的特点，分析了菲涅尔透镜的结构、优点及成像特性。
The characteristics of a solar concentrator is mainly presented. The structure, advantages and imaging features of a Fresnel lens are analyzed.
介绍了稀土永磁空心杯转子直流伺服电动机的结构特点，空心杯电枢的绕制方法及其制造工艺，同时还介绍了这种电机的主要用途及其优点。
This paper introduces mainly the construction features of REPM DC servomotors with air-core rotors and their manufacturing technology. Meanwhile, it states their application feild.
离子液体因其诸多优点而在有机合成中得到越来越广泛的应用。本文主要介绍了离子液体的主要特点、制备及其在有机合成中的应用。
Ionic liquids have been applied successfully, due to many merits. In this paper, the main characteristic, preparation and application in organic synthesis were introduced.
复合材料作为一种具有复杂结构的新型材料，其主要优点和特点在于其内部结构可设计性。
As a new kind of material, composite has the advantage of designable, the designable parameters include the type of the fiber and matrix, the percent of the volume, the direction of the laminate, etc.
复合材料作为一种具有复杂结构的新型材料，其主要优点和特点在于其内部结构可设计性。
As a new kind of material, composite has the advantage of designable, the designable parameters include the type of the fiber and matrix, the percent of the volume, the direction of the laminate, etc.
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