XFA works as a front-end application to submit data to a back-end server; it also can be used for printing purposes.

XFA, a type of interactive form, is a more advanced type than the AcroForm in the following ways

与AcroForm相比，XFA（一种交互式表单）在以下方面更加高级

XFA can specify dynamically growing forms.

XFA可以指定动态增长的表单。

It supports both static PDF files and dynamic XFA forms.

它既支持静态PDF文件，又支持动态XFA表单。

Based on this information, XFA is very similar to Lotus Forms in nature.

基于这些信息，XFA在本质上非常类似于Lotus Forms。

Objective: To observe the clinical effects of Xinfeng Capsules ( XFC), a traditional Chinese medicine for invigorating the spleen to resolve dampness and dredging collaterals, on patients with rheumatoid arthritis ( RA) and anemia, and to investigate its mechanism.

目的观察健脾化湿通络法治疗类风湿关节炎（Rheumatoid arthritis，RA）贫血患者的临床疗效并探讨其作用机制。

Objective: To observe the changes in behaviors, brain amino acids and neurocyte ultrastructures in rats with adjuvant arthritis ( AA) and the effects of Xinfeng capsule ( XFC).

目的：观察佐剂关节炎（AA）大鼠行为、脑组织氨基酸、大脑皮质神经细胞超微结构的变化及新风胶囊（XFC）对其的影响及可能的作用机制。

Objective: To observe the therapeutic effect of Xinfeng Capsule ( XFC) in treating adjuvant arthritis of rats and its effect on fas, fasL and bcl 2 expression in synovial membrane.

目的：观察新风胶囊对佐剂性关节炎大鼠疗效及对病变滑膜fas、fasL、bcl2表达的影响。

It is found that the principle of microwave attenuation is the reason that causes gain attenuation of XFC. Custom experiments are designed to measure the dynamic gain curve, and the gain attenuation constant is derived.

通过测量样机的动态增益曲线，从微波原理上分析了造成增益衰减的原因，并设计实验测量了增益衰减常数。

The serum levels of C3 increased and C4 decreased markedly in XFC and TPT treated group compared to those of the model group ( all P0.01).

XFC组与TPT组血清补体C3水平较模型组显著升高，C4水平显著降低（P0.01）；

Results: The swelling degree of right posterior metatarsus in XFC and TP group obviously lowered after treatment ( P0 05).

结果：与治疗前比较，新风胶囊组及雷公藤组治疗后右后足跖肿胀度显著降低（P005）；

Conclusion: The effect of XFC on the decrement of AI is the same as that of TPT, MTX in adjuvant arthritis rats, while effect of XFC on the increment of BW is superior to that of TPT, MTX.

结论：新风胶囊与MTX、TPT一样能降低佐剂性关节炎模型大鼠的AI，而在增加大鼠体质量方面优于TPT和MTX；

Described are the braking and releasing characteristics of the newly developed MER type control device of electro pneumatic braking on powered car train sets and light rail vehicles, the main advantages and technical parameters of the XFD F type wheel tread braking unit.

介绍了新开发的动车组及轻轨车辆用MER型电空制动控制装置的制动与缓解特性，XFD&F型踏面制动单元的主要优点及技术参数。

Due to complicacy of DTD, it is difficult to study the logical implication of XFD.

由于DTD的复杂性，使得XFD的逻辑蕴涵问题研究比较困难。

Research on XFD Based on Path Coding Method of DTD

基于DTD路径编码方法的XFD研究

To investigate the effects of tiletamine on NO and NOS and the molecular mechanisms of general anaesthesia mediated by XFM.

目的-研究一氧化氮（NO）、一氧化氮合酶（NOS）在替来他明及小型猪复方麻醉剂（XFM）全麻分子机理中可能的作用。

Effects of XFM on ET and CGRP in Miniature Pigs

XFM对小型猪血浆内皮素和降钙素基因相关肽含量的影响

Effects of XFM on Hemodynamics and Its Mechanism in Miniature Pigs

XFM对小型猪血流动力学的影响及其作用机制

This guide will explain the important concepts XFM programming.

这个指南将解释XFM编程中的重要概念。

According to the basic principle of microwave transmission line, a multilayer type absorbing material XFT which has a particular structure and good absorbing properties has been developed.

本文从理论计算入手，研究出一种结构独特的多层型吸波材料，得到优良的吸波性能与应用效果。

Study on Multilayer Type Antiradar Coating XFT

XFT多层型吸波涂层研究