物理试题中的条件一般有显性条件和隐性条件两种。显性条件就是清楚明确地写在题目或插图上的已知条件 ,隐性条件则是题目中没有明确写的、含而不露、暗而有影的条件。审题时挖掘出这些隐含条件是正确解题的关键。挖掘隐含条件可从以下几方面入手。　　一、注意关键字词的暗示 Conditions in physics test questions generally have two kinds of explicit conditions and implicit conditions. The explicit condition is the known condition clearly and clearly written on the title or illustration. The implicit condition is the unwritten, dark and shadowy condition that is not explicitly written in the title. Digging out these hidden conditions while examining questions is the key to solving problems correctly. Digging hidden conditions can start from the following aspects. First, pay attention to the keyword hints