传送

Phase change materials investigation is the first step of developing a latent heat storage system and thus is always the focus in related research.

相变材料是开发相变储能系统的前提，因而相变材料的研究一直是这一领域中心课题之一。

At the same time, she also pointed out that the fertility of marriage for the maintenance of a certain degree of continuity, if the husband and wife and one child, and they left the sub-fertility, this time, people's feelings and demand on the higher, Then the couple will make do in the past the kind of mentality will change, we would pay more attention to the marriage settlement of the conflict.

同时，她也指出，生育对于婚姻的维持起到一定的延续作用，而如果夫妻只生一个孩子，就把性和生育分离开了，这个时候，人们对情感和性的要求就更高了，那么夫妻双方过去那种将就凑合的心态也会改变，会更加注重解决婚姻中的矛盾。