This is because fifth generation networks are still in testing and trial phases.

这是因为第五代网络仍处于测试和试验阶段。

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Former President Jacques Chirac did not respond directly to news he has been ordered to stand trial, but a statement from his office said he was serene and determined to clear himself.

VOA: standard.2009.10.30

This remarkable letter was written when Plato was very old, approximately 50 years after the trial and execution of Socrates.

那封了不起的书信,是在柏拉图年迈时所写，大约是,苏格拉底被审判及处决后的，50，年。

耶鲁公开课 - 政治哲学导论课程节选

She was part of the clinical trial that did this, and they gave everybody certificates after it was done.

她当时就在参与疫苗的临床试验,试验后他们会给每个参与者颁发一个证明

耶鲁公开课 - 生物医学工程探索课程节选

But it failed to stop Lou Gehrig's, and trial patients lost 10% of their body weight.

FORBES: Hunger Pangs

Doctors now diagnose and treat the ill through educated hunches and trial and error.

FORBES: Magazine Article

After two decades of development and trial marketing, Wills is nearly ready for a full launch.

ECONOMIST: House of Windsor