小型化

Based on the introduction it explores into the designing of the broad band filter and the super miniature of local oscillator source.

在此基础上提出了本文课题的重要意义，主要对收发信机中宽带滤波器进行设计和探讨、本振源超小型化。

The beam propagation is improved by vacuum the downstream of the beam drift tube, and the beam can transport over 60cm.

虚火花电子束，电子束的直径小，方向性好，适合用于小型化自由电子激光器。

With the rapid development of the Global Position System in the world, particularly in the mobile phone business, higher and higher performance has been put forward, not only circular polarization, but also their appearance and system integration requirements, especially in the research on miniaturization.

随着全球定位系统在全球的快速发展，特别是在手机业务中的使用，使得对GPS天线要求越来越高，不仅要满足其圆极化的特性，对其外观及与系统集成度方面的要求也进一步增多，特别是在小型化的研究上，除此之外，还要求降低其成本，才是其能广泛推广的关键。

The thin film deposition is used to make 16 step Fresnel lens. It can implement system′s lightweight, miniaturization and increase free degree of the design.

使用薄膜沉积法制作16阶菲涅耳透镜，用它代替常规的光学透镜可实现系统的轻量化、小型化，并增加系统设计的自由度。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。