The first method is USES traditional the security method - rigid body limit zero-method, obtains the safety coefficient can satisfy the standard request.
第一种方法是采用传统的安全系数法-刚体极限平衡法，求得的安全系数能满足规范要求。
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You might wonder why I check whether the method is static at the start of my parameter size calculation, then initialize the stack frame slot to zero if it is (as opposed to one if it is not).