出射的

In this paper, the research on vignetting is done and a formula for vignetting about field angle、entrance window, entrance pupil and the distance between them is deduced.

文中对渐晕做了一些研究，并推导出一个渐晕关于视场角、入瞳、入射窗以及两者之间距离的解析式。

A fragmentation bomb is one that explodes into small pieces.

杀伤炸弹是爆炸后射出许多小碎片的炸弹。

The formula of numerical computing is presented with discretion for Fresnel diffraction and phase numerical reconstruction of wave front.

从光的菲涅耳衍射、波前相位重构入手，对连续信号进行了离散化处理，给出了数值计算公式。

Fresnel straight edge diffraction is simulated with MATLAB,the corresponding laws and graphical effects are also received.

用MATLAB软件仿真模拟了菲涅耳直边衍射实验，给出了相应物理规律和图形化的效果。

Based on the Fresnel diffraction integral, the analytical expression for the field distribution of converging spherical waves passing through an annular aperture is derived and some special cases are discussed.

摘要基于菲涅耳衍射积分公式，推导出了会聚球面波通过环形光阑后场分布的解析公式，并讨论了一些特殊情况。

Third,we give the definition of homological dimension of CT-injective modules.

在第一章中，我们给出了ann -自内射环的定义以及一些等价条件。

Surface-modified lead iodide nanorods were synthesized by one-step room temperature solid-state reaction of lead nitrate with potassium iodide in the presence of a nonionic surfactant, polyethyl- ene glycol.

以硝酸铅和碘化钾为原料，在体系中添加表面活性剂聚乙二醇，采用一步室温固相化学反应制备出聚乙二醇表面修饰的碘化铅纳米棒，利用X射线衍射，红外光谱，透射电子显微镜，扫描电子显微镜，热分析和元素分析等手段对其进行了表征。

Although he thought of the key idea in 1951, the first maser was not completed until a couple of years later.

虽然查尔斯在1951年就想出了这个关键的想法，但两年之后第一个微波激射才被完成。

Different pattern of cytokines expression was compared between tumor cells and stromal cells, which were separated by laser-assisted microdissection.

另外也以雷射微切割的技术，於手术切除之检体中分离出肿瘤细胞与基质细胞，比较两者表现之细胞激素之差异。

At last, the design and realization of the transmitted signal modulator are analyzed and some test results are shown.

最后探讨了目标射频模拟器的设计与实现，并给出了一些实测数据。

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％。