Cho says the technology has proven safe to use around people and machinery in all experiments so far.

赵东镐说，目前为止，所有的试验都证明，使用这项技术对人和机器都是安全的。

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The acute toxicity experiments show that NaoKangNing Capsule is safe in the administration scope.

急性毒性实验资料表明，脑康灵胶囊在用药范围内使用安全。

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The results shown: ship mold launching experiments is viable; the experiment results can be used for researching the safe launching of the ships. It is of practical value to shipbuilding.

结果表明：船模下水试验是可行的，其试验结果可用于研究船舶的安全下水，对船舶建造具有实用价值。

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Second, as there is still no test to tell whether animals are infected, experiments to find out whether or not beef is safe take ages.

ECONOMIST: Mad cows