pulsars造句

Some pulsars keep time better than the earth's most accurate clocks.
某些脈沖星發(fā)送脈沖比地球上最精確的時鐘都準時。

They have discovered now , previou sly unimagined objects - pulsars, quasars, and black holes.
他們發(fā)現(xiàn)了以往想象不到的新客體 —— 脈沖星 、 類星體和黑洞.

Another kind of period variation, " Glitches, " are seen in several pulsars.
在幾個脈沖星中還看到了周期的另一種變化, 即 “ 自轉(zhuǎn)突快 ” 現(xiàn)象.

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