首先，我们一起分析一些双基练习。
我国学生数学双基与数学认知基础并不厚实。
Students' mathematics "double bases" and mathematics cognition base are not solid.
完善和延展中国双基教学理论具有重要作用。
To develop and perfect the DB teaching theory of China is of great significance.
化合物庚烷的主要用途是作为双基推进剂的增塑剂。
The heptane compound has a primary purpose as a plasticizer for double base propellant systems.
本文提出了铅化合物催化双基推进剂燃烧的反应历程。
This paper has advanced the mechanism of reaction that lead compounds catalyze the combustion of double-base propellants.
分析了在硝胺改性双基推进剂中炭黑对其燃烧性能的影响。
The effect of carbon black on burning properties of modified nitramine double base propellant was detailed in this paper.
本文为交联改性双基推进剂的研制提供了理论和实验的依据。
This lays a theoretical and experimental foundation for the development of crosslinked CMDB propellants.
文章运用熵权双基点法，对网络广告的社会效果进行了评估。
In this paper, entropy two-base-point approach is used to access the social effects of Internet advertising.
本文提出了基于最佳线性数据融合的双基地声呐定位优化算法。
An optimum linear data fusion localization algorithm for bi-static sonar is proposed.
首先建立了机载双基地SAR的几何模型、距离历程和回波模型。
The geometry, the distance history and echo signal models of airborne bistatic SAR are built firstly.
这是一篇关于双基推进剂平台燃烧机理的评论，参考文献58篇。
This is a comment with 58 references on the plateau combustion mechanism of the double base propellants.
该文内容将有助于双基机载雷达系统中关于PAMF方法的研究。
So, the context of this paper is a potent supplement for PAMF in bistatic airborne radars.
实验发现了双基推进剂燃烧表面上方高温反应中心的存在和变化规律。
The high temperature reaction centre above the burning surface of the double base propellants and its variety regulation are found.
这是一种注重过程的教学形式，与传统的双基教学和接受性教学不同。
This teaching form put more importance on the process, which is different from the "double bases" teaching and the acceptability teaching.
用差示扫描量热计（DSC）研究了单基、双基和三基药热分解性能。
The thermal decomposition of single, double-and triple-base nitroguanidine propellants was studied by differential scanning calorimetry (DSC).
研究了双基地前向散射系统中雷达截面RCS的有关特点和计算方法。
Radar cross section (RCS) of targets in bistatic forward scattering radar system is researched.
以服务于未来我国空间站的专用数据中继系统为例，进行双基站星座设计。
Special data relay system for future Chinese space station is given as a Two-Station-System constellation example.
研制含单基药、双基药的高爆速震源药柱+，并对其制造工艺进行了研究。
The manufacturing technology of seismic charge with high detonation velocity containing single base propellant and double base propellant is researched.
理论计算的结果同两种双基推进剂的实验数据对照，证明理论分析是正确的。
Results of calculation have been compared with experimental data of two kinds of DB propellants and the semiempirical theory has proved to be correct.
为了研究星载双基地SAR系统成像的相关问题，必须先建立其回波信号模型。
In order to analyze imaging problems in spaceborne bistatic SAR system, it is important to establish a relevant radar echo model.
通过模拟仿真验证了双基斜视CS算法的保相性和基线不稳定补偿方法的有效性。
The simulation results validate the property of phase preserving of bistatic and squinted CS algorithm and the effectiveness of compensated method of baseline instability.
最后，总结了本文的工作，提出了对双基地无源雷达tma技术进一步研究的看法。
Finally, an overview of author's work and the prospect of passive bistatic radar TMA technique are presented.
实验结果表明，只要选择适当的黏结剂，通过对双基药块进行黏合组型可满足设计要求。
It is indicated by the tests that provided a suitable binder is selected, the design requirements can be met by assembling double base propellant chunks.
在双基地声纳系统中，根据能量关系推导出双基地声纳系统最大可探测范围的数学模型；
In the bistatic sonar buoys system, the mathematic model of the maximum detectable area is derived according to the relationship of energy.
本文主要介绍了双基地SAR的模型及RD成像算法和由距离徙动引起的距离校正原理。
This paper focuses on the introduction of the modeling of bistatic SAR and the RD imaging arithmetic on it.
针对双基地声纳水下目标定位问题，讨论了二维目标定位的六种基本方法以及优化方法。
Aiming at the problem of underwater object location in bistatic sonar, the paper discussed six basic location methods and an optimized method of two-dimensional.
论文研究了一种新型改性双基固体推进剂的性能特点，并与传统的双基推进剂进行了比较。
The paper gives the performance characteristic of a new type modified double base solid propellant, and it is compared with the traditional double base propellant.
含a CP的无烟改性双基推进剂能量特性理论计算表明，ACP对推进剂的能量影响较小。
The theoretical calculation results of energy characteristics for smokeless modified double-base propellant with ACP show that ACP can decrease the energy of the propellant.
含a CP的无烟改性双基推进剂能量特性理论计算表明，ACP对推进剂的能量影响较小。
The theoretical calculation results of energy characteristics for smokeless modified double-base propellant with ACP show that ACP can decrease the energy of the propellant.
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