Safety procedures at Virgin Galactic, whose spacecraft crashed on a test flight last week, had too few safeguards to prevent a potential catastrophe, one of the world’s leading space safety experts has said.
維珍銀河(Virgin Galactic)太空飛船上周在飛行測(cè)試中墜毀后，一位世界一流的太空安全專家表示，該公司安全程序的保障措施太少，不足以防止?jié)撛诘臑?zāi)難。
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