The different effect between tetra-n-butyl titanate and sulfuric acid was studied.
分别研究了浓硫酸和钛酸四正丁酯两种催化剂对产率的影响；
The influences of load resistance on tetra-lateral position sensitive detectors (PSDs) are studied by experiment.
通过实验研究了负载电阻对四边形psd的影响规律。
Cloth, leather, Tetra paks-each has its own pile.
布制品、皮革制品以及饮料包装——每一样都有各自摆放的位置。
Where do you plan to store the collected tetra pack ?
你打算把那些利乐包储存到哪里？
End-to-End encryption is offered by TETRA to protect data during the entire transmission.
TETRA还提供端-端加密服务，确保整个传输过程的机密性。
End-to-End encryption is offered by TETRA to protect data during the entire transmission.
TETRA还提供端-端加密服务，确保整个传输过程的机密性。
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