无后坐

According to the characteristics of non-spinning projectile without spinning or its spinning being very low,the feasibility and key technology for the application of lead acid reserve battery to non-spinning projectile are analyzed,the technical ways to active it reliably and remain the electrolyte are put forward.

针对非旋转弹无转速或转速低的特点，分析了铅酸储备电池应用在非旋转弹引信上需解决可靠激活及电解液保持两项关键技术，提出了利用后坐激活、利用引信其他部件提供的外力激活及特别设计的机构激活解决可靠激活和利用在电池电极间填充吸附隔膜解决电解液保持等技术途径。

However,this formula does not applicable to mortar and recoilless gun.

但此式不适用于迫击炮和无后坐炮。

The PF-89 is a recoilless rifle used primarily by infantry squads for engagement and defeat of light armor and bunkers.

PF-89是一种主要装备于步兵班的无后坐武器，用来摧毁轻型装甲和碉堡。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。