查询词典 Double-A

The experiments of series thermal analysis point out that this kind of plasticizer is beneficial to the thermal decomposition of double base composite propellant and hexogen, and its application in the modified double base propellants could improve combustion properties.

介绍了一种新型含能的叠氮类增塑剂PDADN 合成、结构及物理化学性质，系列热分析实验表明，它有利于双基组分及黑索今的热分解，指出它在改性双基推进剂中将可改善燃烧性能。

Consisted of single, double vascular bundle, transition types between them, but given priority to double vascular bundle; the epidermal cell consisted of cutin layer; the hypodermis consisted of typical two-layer of parenchyma cells arranged continuously or discontinuously.

云南松针叶的维管束以双维管束为主，同时亦有单维管束以及介于单、双维管束之间的过渡类型；皮下层为典型的二型皮下层；表皮层的角质层明显；树脂道多为典型的外生型。

In the process of moving from single-sustenance to double- sustenance, the angel of body tends to enlarge; in the process of moving from double-sustenance to single-sustenance, the angle of body tends to decrease; when the right leg is kicking on the ice, the center of gravity is just moved to the upper point of fulcrum, which means the center of gravity is vertical to fulcrum, while the left leg starts to kick on the ice when center of gravity completely surpass fulcrum; right knife touches the front ice of the supporting foot, the left knife touches the interior and front ice; small momentum variation coefficient and good effect of momentum move show the rationality of action and abundance of

单支撑阶段向双支撑阶段过渡过程中，躯干角度有增大趋势；右双支撑阶段向单支撑阶段过渡过程中，躯干角度有下降趋势；右腿蹬冰时重心刚好前移至支点的正上方，即重心与支点相垂直，而左腿则是在重心完全超越支点后一段时间才开始的蹬冰；右刀着冰向支撑脚前方下刀，左刀着冰向内侧前方跨出；动量变异系数小，动量转移效果好，反映了动作结构的合理性和能量利用的充分性；目前世界优秀运动员各环节的动量分配比例较以前均有较大幅度的提高；环节动量变异系数遵循着大环节动量变异系数小、小环节动量变异系数大的原则是较合理的。

In this method, drill the double holes in the two sides of the point to be determined in welded joints, load material bridge by an indentor until it is broken, record the response between applied load and indentor displacement. We can call this method as double holes microshear test.

在被测材料的小区域两侧开两小孔，剪切刀具从其中一孔对被测区域的材料加载直到破坏，记录加载过程中的载荷位移曲线。

Input to the function is the variable X of type double and the result is also of type double.

函数的参数是浮点数 X，其返回值也是浮点数。

Picker-wheel support structure was used in strip label papers of tobacco industry, but it had appeared some problems: picker-wheel vibrates easily, label paper was picked insecurely, and double-shafts generated deformation and linear bearings wear easily. The ultimate cause was founded by analyzing linear bearings stress from statics and dynamics. The original structure of double-shafts one-side support was replaced by two-side support with one fixed end and one free end.

针对FOCKE350S条盒商标纸拾取轮总成支撑结构拾取轮易振动、商标纸拾取不可靠、双轴易弯曲变形、直线轴承磨损快的情况，从静力学和动力学的角度分析了直线轴承磨损快的根本原因；并将原来双轴单侧支撑结构改为双轴双侧支撑，采用一端固定，一端游动的支撑方式。

Article 41 The insurant of double insurance shall notify all the insurers of the double insurance.

第四十一条重复保险的投保人应当将重复保险的有关情况通知各保险人。

Use the Double round key and inspect the double round key whether match the keyway or not.

使用双回合的关键，并检查是否双重轮比赛的关键keyways或没有。

The realization of double flow rate well testing techniques is descript in this paper and the way of well testing data interpretation is also provided from the normal analysis and double logarithmic curve.

描述了二流量试井工艺的实现，从常规分析和双对数曲线拟合两个方面，给出了二流量试井的资料解释分析方法，分析认为二流量试井同样可以计算出正常关井测压力恢复资料所解释的油藏及流体参数。

This paper aims at the analysis and computation of double machine power systems frequency dynamics and provides the characteristics of double machine power systems frequency dynamics .

本文首先对双机系统频率动态过程进行了理论分析，给出了双机系统频率动态过程的特点。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。