通过多个实验表明，试样的均衡性、读数误差控制范围的正确确定以及样本菌量的正确估计，都是影响实验室菌落计数精密度控制的因素。
The results show that homogeneity of samples, correct determine of control range of reading errors and correct estimation of bacterium account are elements that affect accuracy of aerobic plate count.
这位24岁的小伙儿来自天津大学精密仪器与光电子工程学院。在他看来，自己并不是什么学霸，只是掌握了正确的方法。
But the 24-year-old graduate student at the College of Precision Instruments, Tientsin University, believes that, rather than being a star student, he's grasped the right way to do things.
成核理论正确性的主要证据在于它能在云室实验中精密地预测多数液体的临界过饱和度。
The main evidence for the validity of nucleation theory rests on its ability to predict closely the critical supersaturation for most liquids in cloud chamber experiments.
应用推荐