《明史·志·卷七》
现在仔细测量，月亮有时在交点之上，用匀速去推求，必然与计算不合。
今细测之，月有时在交上，以平求之，必不合算。
However, by being measured carefully, we find that the Moon is sometimes above the intersection point; if we calculate according to the constant speed, it will surely be at odds with our calculations.