名词打喷嚏，喷嚏
1. 打喷嚏：sternum 胸骨 | sternutation 打喷嚏 | sternutative 催嚏剂
2. 喷嚏：sternum 胸片 | sternutation 喷嚏 | sternutativesternutatory 催打喷嚏的
3. 打喷嚏/喷嚏：sternum /胸骨/胸片/胸板/ | sternutation /打喷嚏/喷嚏/ | sternutative /催打喷嚏的/
4. 打喷嚏 (名)：sternum 胸骨, 胸板, 胸片 (名) | sternutation 打喷嚏 (名) | sternutative 催打喷嚏的; 打喷嚏的 (形)
1. The RRs of symptoms decreased gradually after the accident day（lag 1~5d）. The RRs of breathe hard, ocular acerbity, lachrymation and temper oppression returned to normal level on the lag 3d; the RRs of cough, phlegm, throat desiccation and nonnasality saline and sternutation returned to normal level on the lag 4d; the RR of snivel returned to normal on the lag 5d.
沙尘暴过后虽然各种症状RR均有所下降，但下降速度不同：在滞后1~2d，气短、眼睛干涩、流泪和心情压抑等4种症状RR仍显著高于沙尘暴前，直到滞后3d才恢复到正常水平；而咳嗽、咯痰、咽干口苦和打喷嚏等4种症状RR在滞后4d才恢复正常；流涕症状RR在滞后5d才基本恢复正常。
2. Relative risks induced by the dust storms were investigated for 11 kinds of symptoms, including cough, phlegm, breathe hard, rhonchi persisting in the lung, thorax depressed, throat desiccation and nonnasality saline, ocular acerbity, lachrymation, snivel, sternutation, and temper oppression.
结果表明，沙尘暴发生当天（滞后0d）儿童各种所查症状发生的相对危险度均有不同程度地升高，沙尘暴过后（滞后1~5d），儿童各种症状的RR逐渐降低，沙尘暴过后4d（滞后4d），几乎所有症状均恢复正常。