sila戒SIn.国际单位制simplified first-order second-momentmethod简化一次二阶矩法simuhaneous desulfurization and denitrification同时脱硫脱硝simulataneous nitrification and denitrification同步硝化反硝化SIMEX Singapore International Monetary Exchange新加坡国际金融交易所Simuhaneous pancreas and kidney transplantation胰十二指肠及肾联合移植simplified automatic weather observation system简化自动天气观测系统silicomolybdate blue spectrophotometeric method硅钼蓝分光光度法simplified Gurtin-type variational principles简化Gurtin型变分原理SI-TECH Real-time Bank Interconnection System思特奇实时银行联网系统silieon molybdenum blue spectrophotometric method硅钼蓝分光光度法