尿液是无菌的。Urine is sterile.手术室应该是个无菌的环境.An operating theatre should be a sterile environment.在各种规定的培养基上可得到锈菌的单体纯净培养物.The axenic culture of rusts has been achieved on various defined media....
Therefore probably some slow intralysosomal degradation of endogenous enzymes occurs.内源酶可能发生某种低的溶酶体内的降解.Exogenous variables can include lagged values of endogenous variables.外生变量可以包括内生变量的后滞值.Now the possibility must be i...