1.
Investigations on DF system of the suction device using the code FLUENT
利用FLUENT研究DF系统的负压装置
2.
Research on Characteristics of Chip Removal of Modeling and Simulation in Deep Hole Machining
深孔加工DF系统排屑机理研究及建模与仿真
3.
Dynamic fuzzy relation and its application research in data clustering
DF关系及其在数据聚类中的应用研究
4.
Distribution of the t-Statistics of the Drift and the Time Trend for Unit Root Test;
DF检验式中漂移项和趋势项的t统计量研究
5.
The Studies of Pricing Strategies for DF Company Based on the Partnership;
DF公司基于合作伙伴关系的定价策略研究
6.
Theoretical calculation of the partial cross section for He-HF (DF,TF) collision system
He-HF(DF,TF)碰撞体系分波截面的理论计算
7.
Distribution of the T-statistic of the Drift in DF Test Model with Drift;
带漂移项的DF检验式中漂移项t统计量的分布特征研究
8.
DF series single-action separating machine use for separating the light and weight incidental of wasted paper pulp mainlyand break to pieces of thick liquid from water power thick liquid machine two times.
DF系列单效分离机主要用于分离废纸浆中的轻重杂物，并对来自水力碎浆机的浆料进行二次碎解。
9.
High stability of capacitance and DFversus wide temperature and frequency range.
高温度，频率范围内容量DF具高稳定性。
10.
Conclusion During decayed tooth filling treatment, Pre-operation-education is better in DF prevention.
结论 术前教育可以很好地预防DF。
11.
The Numerical Investigation of the Problems Related to Moving Boundary Based on DF/FD and LES/FD Method;
基于DF/FD＆LES/FD方法的动边界问题研究
12.
The Interpretation on the Abbreviation Rules of iou、uei、uenwith DF Theory;
用DF理论解释iou、uei、uen的省写规则
13.
Research on Competitive Strategy of DF Multi-function Biogas Service Car
DF多功能沼气服务车竞争战略研究
14.
SURVEY OF USE OF DF-MEDICAL TYPE AIR DISINFECTOR
DF—医用型空气消毒机使用状况调查
15.
Research on Optimal Design Approach of Multi-band FIR DF in Frequency Domain
多通带FIR DF频域优化设计方法研究
16.
Qscillation Prevention of DF-100A SW PSM Transmitter
DF-100A型PSM短波广播发射机的防振措施
17.
Comparison of Atomospheric Transmission Property of Nd、HF、DF and CO_2 Laser;
Nd、HF、DF和CO_2激光大气传播特性的比较研究
18.
Risk Factors for Amputation and Wound Healing in Diabetic Foot Patients
DF患者截肢及截肢术后创面愈合危险因素分析