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<http://schema.org/description>
"Four tests in 18 months are seen as a sign of the Communist nation’s continuing efforts to make advanced weapons. But China said the tests are, in its words, “purely scientific.\" Experts worry China could someday lead the United States in developing these super-fast weapons."
<https://learningenglish.voanews.com/a/china-testing-hypersonic-weapons/2883305.html>