正常循环 meaning in English

normal circulation
normal cycle

The normal circulation service life of battery reaches or even more than 500 times
电池正常循环使用寿命达500次以上。
The difference will become even clearer when commodity prices fall and the economic cycle turns
一旦物价回落、经济正常循环，这些效果便更为显著。
The theory of linear series of the piecewise algebraic curve is a kind generalization of that of linear series of the algebraic curve ( [ 71 ] )
分片代数曲线的完全列是由所有属于同一等价类的有效正常循环以及所有与它特等价的有效奇异循环构成。
In all cases , the vsd allowed a portion of the blood in the left ventricle to shoot backward into the right ventricle with each heart beat , rather than being circulated to the rest of the body
在所有病例中， vsd导致每次心脏搏动时左心室都有部分血液反向射入右心室，而不是在体内正常循环。
The patch successfully closed ventricular septal defects ( vsds ) - or ruptures in the wall between the right and left ventricles - in nearly all patients , allowing blood to circulate normally again and relieving fluid back - up in the lungs
几乎在所有患者中这种修补都能成功的闭合室间隔缺损或者左右心室壁的破裂，恢复血液正常循环，减轻肺水肿。