range of stage

In the first stage ( large heating sublimation stage), product temperature lower than the eutectic point of a range.

在升温的第一阶段（大量升华阶段），制品温度要低于其共晶点一个范围。

When PFC stage uses VVB control, in order to reduce the input voltage range of the next DC-DC stage, this dissertation proposes a hybrid Boost PFC converter.

当PFC级采用变输出电压控制后，为了减小后级变换器的输入电压范围，本文提出一种复合式PFC变换器。

According to the experimental results of steel compact tension specimen, a empirical relationship between AE energy rate and stress intensity factor range was formulated at the stage of stable crack growth.

通过试验，得出了紧凑拉伸试样在裂纹稳定扩展阶段声发射信号能量率与应力强度因子幅值之间的关系式。

The results show that in the initial stage of micro-arc oxidation the obtained ceramic coating is compact and nearly no microflaw can be observed, the microflaws like holes begin to appear in the exterior and finally irregular holes fill with 90% of the thickness range.

结果表明：微弧氧化初期，陶瓷层致密，几乎观察不到显微缺陷，随着处理时间的延长及陶瓷层的增厚，其外侧开始出现孔洞类缺陷，直至90%厚度范围布满相互交错的不规则孔洞；

At the early stage of establishment, a range of rangers-themed, leisurewear and accessories will be launched in the market to serve the club's beloved supporters.

创馆初期，一系列以流浪为主题的舒适休娴服装和球会精品将会首先推出市场，向一众广大球迷见面。

So the DC/ DC stage was mainly used to meet requirements of the maximum power point tracking and the DC voltage input range, and the DC/ AC stage was used to control the inverter and grid-connected process.

本文选用两级式并网逆变器系统结构，前级DC/DC主要用于满足最大功率点跟踪和直流电压输入范围的要求，DC/AC级则进行逆变和并网的控制。

The kinetics for bulk thermal polymerization of styrene ( St) at higher conversion within temperature range of 100-200 ℃ has been studied based on Three Stage Polymerization Model ( TSPM) which is proposed by our previous paper.

基于三段聚合模型（TSPM），研究了100&200℃苯乙烯（St）热引发本体聚合。

Social marketing is on preliminary practice stage in China. The social marketing programs involve a wide range of knowledge, long period and low success rate, which mainly ascribe to the insufficient understanding of elements of social marketing and defectively designing of implementing tactics.

社会营销在我国尚处于初步实践阶段，社会营销活动涉及面广、周期长且成功率较低，主要归因于社会营销实施者对社会营销要素的认识及其实施策略的设计不足。

However, Due to the limitations of the single-stage converter, when the bus voltage is high and wide input voltage range, the single-stage converter is not suitable for multi-output low power switching power supply.

但是由于单级变换器自身的局限性，当电源母线电压宽输入范围时，单级变换器并不适合用作多路输出小功率开关电源的主功率拓扑。

In the same ecological age stage, the order of areas of the home range was: the whole year> autumn and winter> summer;

同一生态年龄段，秦岭大熊猫家域面积：全年>秋冬季>夏季；