The paper studies on the relative theory, model and realizing technic of the marshalling station operation system ′ s key simulation method& Forward Feed Circle Simulation ( FFCS).

Objective To compare the diagnostic value of full-field digital mammography ( FFDM) and magnetic resonance imaging ( MRI) in breast cancers.

目的比较全数字化乳腺摄影（full-field digital mammography，FFDM）与磁共振成像（MRI）对乳腺癌的诊断价值。

Objective To evaluate the diagnostic value of full-field digital mammography ( FFDM) for breast cancer especially for non-palpable breast cancer.

目的探讨全数字化乳腺摄影对乳腺癌，尤其未扪及肿块的乳癌的诊断价值。

Objective To improve the diagnosis of common male breast diseases by studying their clinical and full field digital mammography ( FFDM) findings.

目的：探讨男性乳腺增生和乳腺癌临床及全数字化乳腺摄影机（FFDM）影像表现，提高对男性最常见乳腺病变的认识。

Object To evaluate full-field digital mammography ( FFDM) in the diagnosis of early breast cancer.

目的评价全数字化乳腺X线摄影在早期乳腺癌诊断中的价值。

The radiation dose of FFDM system was less than CRM system for the same image quality.

在获得相似图像质量时，FFDM的辐射剂量明显低于CRM。

Conclusion FFDM can clearly reveal the direct and indirect X-ray signs of breast cancer so that it has important value to diagnose breast cancer, especially to diagnose non-palpable breast masses.

结论全数字化乳腺摄影能较清晰显示乳腺癌的直接及间接X线征象，对乳腺癌尤其是未扪及肿块的乳癌具有重要的诊断价值。

Conclusion FFDM is prior to MRI for breast cancers.

结论全数字化乳腺摄影对乳腺癌的诊断价值优于MRI。

Different liquid samples were tested by using the fiber micro-drop sensors. The FFDT of alcohol solutions of different concentrations were analyzed in different ways.

在实验中利用光纤微液滴传感器测试了多种不同液体试样，尤其分析了不同浓度的乙醇溶液对应的光纤液滴指纹图。

Article 4 The statute and system of the FFEs must not go against the State laws and administrative regulations.

第四条企业制定的规章制度，不得违反国家的法律、行政法规。

Article 22 The current employees of the FFEs enjoy the welfare treatment in accordance with relevant State regulations.

第二十二条企业职工在职期间的福利待遇，按照国家有关规定执行。

Article 7 The FFEs should establish certain training programmes for their employees.

第七条企业应当建立职业培训制度，对职工进行职业培训。

Conclusions: FFHC has effect of improving cardiac function, which indicates FFHC has a perspective of research and development.

结论：FFHC具有改善心功能的作用，有一定的研究开发前景。

Conclusion: FFHC have protected the acute cardiac ischemia.

结论FFHC对垂急性心肌缺血具有一定的保护作用。

The software method is introduced by employing DDFS technology to realize the transformation of digital signal into FFSK signal. The conventional DDFS technology is improved a lot to achieve its function on single chip micro-computer without using too much resources.

采用直接数字频率合成（DDFS）技术，实现数字信号转换成FFSK信号的软件方法，对常用DDFS技术进行改进，使其能够在通用型单片机上实现而无需占用太多资源。

The results show that the FFSK has more virtues of phase continuation and higher band utilization than FSK and PSK/ DPSK.

结果表明：FFSK调制解调器具有相位连续、包络恒定的特征，频带利用率优于一般FSK和PSK/DPSK。

Software Arithmetic of Sending FFSK Signal in Portable Shunting Unit

平调手台设备中发送FFSK信号的软件算法

Families with at least one elderly member will also have their HOS/ PSPS/ FFSS application priorities upgraded.

家有一老的家庭在申请购买居者有其挝蜡私人参建居挝蜡住宅发售计划单位时，也会获优先处理。

FFSs system: a earthquake analysis software

地震分析软件FFSS系统

Affordability is the primary consideration in determining the price of hos, PSPS and FFSs flats.

在厘定居屋计划、私人参建计划及住宅发售计划单位的售价方面，市民的负担能力是主要的考虑因素。

Conclusion HHV-6A can induce FFWO in a variety of human cells through its entry receptor, CD46.

结论：HHV-6A通过其受体CD46在多种人类细胞引起FFWO。