不是一切形式的物質(zhì)都具有相同的特性的。 All forms of matter do not have the same properties.
周期律化學(xué)元素在周期表中有相似位置時具有相似特性的趨勢 The tendency of chemical elements with similar positions in the periodic table to have similar properties.
三色性某些礦物質(zhì)所具有的特性,當(dāng)放在白光下從三個不同的方向觀察,會呈現(xiàn)出三種不同的顏色 The property possessed by certain minerals of exhibiting three different colors when viewed from three different directions under white lights.