弱函数 meaning in English

minorant function

The second , the molecule dynamic method ( md ) has been used to investigate the nature of at high temperature and pressure . the primary results is ( 4 ) that is really a reduced minorant but not a continuous function of temperature ? there a interrupt where material transfer its state from solid to liquid . the third , some methods which to get directly by experiments and their results have been discussed
第二方面，以分子动力学方法研究了晶格随比容和温度的变化规律问题，获得的主要认识为( ： 4 )晶格(至少对于铜、铝)的确是温度的函数，并且是弱函数，但不是温度的单调(下降)函数? ?其基本变化规律在固液相变点有一间断(跳升) 。