常見例句Quite obviously family planning has so far macle little progress. 非常明顯，計劃生育至今為止幾乎沒有得到什么進展。Say normally, "3 rivers " and " macle " already was old daughter-in-law boils a mother-in-law, but alone palm portal. 按理說，“三江”和“雙晶”已是多年媳婦熬成婆，可獨掌門戶了。This variety is called “Chiastolite” (named after the Greek word for cross) and sometimes referred to in ancient texts as “Lapis Crucifer”, meaning “Cross Stone” or “Macle”. 這類晶體被稱之為“空晶石”（來源于希臘語“十字”），在古籍中也稱之為“十字石”，意為有十字圖案的石頭或有斑點的石頭。multi-frequency macle compound sensor 倍頻雙晶復(fù)合換能器multi-frequency macle compound transducer 倍頻雙晶復(fù)合換能器Keywords nonlinear ultrsonic;multi-frequency macle compound transducer;secondary harmonic exciting efficiency;fatigue crack; 非線性超聲;倍頻雙晶復(fù)合換能器;二次諧波激發(fā)效率;疲勞裂紋; 返回 macle