Static timing analysis is widely applied in timing verification because of its high speed and great capacity. The gate delay computing is a critical part of static timing analysis.
静态时序分析由于速度快和容量大而广泛应用于时序验证，而门延时的计算则是静态时序分析中的关键部分。
Immunization coverage and timing varied widely by country, as did the proportion of children immunized and with what vaccines. The mean age at first immunization was 1.1 months.
在各个国家中，免疫反应范围和时效变化很大。无论是用何种疫苗，获得免疫性的儿童所占比率变化同样很大。获得出示免疫力的儿童的平均年龄是1.1月。
The most widely accepted defense against timing attacks is to perform RSA blinding, which has a performance penalty.
为了防御计时攻击，一般采用以“绑定法”为代表，影响运算性能的模幂算法。
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