All kinds of fruits we have seen are almost round-spherical, Oval and cylindrical. Why is the fruit round instead of square?Botanists told us that amo...
There were two Taiwan tour groups traveling to the Itou peninsula in Japan. One section of the road was in bad condition with holes everywhere.One of ...
1. The relationship between welding process stability and specification matching1.1 On the premise of ensuring good peripheral system (wire feeding a...
According to the news on March 3, 2017, DEAR air separation was awarded as the excellent credit statistics unit of 2016. In order to promote the basic...
Time flies. Time flies like a shuttle. The busy year of 2016 has passed in a blink of an eye, and the year of 2017 full of expectation is coming to us...
When the beggar went to Little Wang's house to beg, he gave him ten yuan. The next day, the beggar went again and gave him another ten yuan, which...
A shy boy studied by himself in the classroom and saw a girl he liked very much. Seeing that the girl was leaving after reading the book, the shy boy ...
1) insufficient cooling water. The heat of the air is not enough to be taken away by the cooling water, resulting in the increase of the next level of...
A fox was going to fight with a lion, but the lion refused decisively. The Fox said, "Are you scared ?" The lion said, "If I promise yo...
In 1858, a rich family in Sweden gave birth to a daughter. However, before long, the child got sick, and his feet were totally paralyzed and couldn...
In his old age, Beethoven once heard a friend playing his thirty-two variations in C minor. After listening for a while, he asked, "whose work is...
