partiality distance

The geometry and physics static characters of projectile is called projectile's static parameter, which includes the length, diameter, mass, center of mass, moment of inertia, partiality distance, wring moment and so on.
彈箭靜態(tài)特征的幾何量和物理量統(tǒng)稱為彈箭的靜態(tài)參數(shù)。 它包括彈長(zhǎng)、彈徑、質(zhì)量、質(zhì)心、轉(zhuǎn)動(dòng)慣量、偏心距、扭矩等等。