“single-frequency sounder”的概念、定义、翻译、参考文献-科学参考

单词	single-frequency sounder
释义	single-frequency sounder Encyclopedia 工学单频测深仪释 single-frequency sounder单频测深仪通过单一频率的声波反射的信息测量水深的仪器。
随便看	doubly irreducible element doubly linked list doubly-magic nucleus doubly magic square doubly noncentral F-distribution doubly nonnegative matrix doubly ordered set doubly periodic function doubly plus operator doubly projective variety doubly resonant oscillator doubly ruled surface doubly salient motor doubly salient motor with electric excitation doubly stochastic matrix doubly stochastic Poisson process doubly straight line doubly transitive group doubly truncated Witt graph doubly well-ordered set doubtful region Doucai Chicken Cup Dou Chaorong Doudafu Hall Douga

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