Could not concent the biblical interpretation to galileo .
但不同意给伽利略解读圣经。
We can study the motion of the projectile by watching the motion of its centre of gravity , at which the mass of the projectile is considered to be concent rated .
我们可以通过观察射弹重心的移动来研究弹丸的运动，因为射弹的质量通常被认为集中在重心。
The development of methods for thecounting of red cells and for measuringhemoglobin concent ration led to the realiz ationthat the common infections , which ravaged theworld , such as pneumonia , tuberculosis , and typhoid fever , were all associated with low red celland hemoglobin values .
