“我们的技术是非侵入式的，”何教授说。

"Our technique was noninvasive," said Professor He.

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“我们需要控制各种开发活动的侵入，”他说。

"We still need to control the encroachment of other development," he said.

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“我们需要控制各种开发活动的侵入，”他说。

"We still need to control the encroachment of other development," he said.

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