单词 | space density |
释义 | > as lemmasspace density space density n. Astronomy and Electronics frequency of occurrence per specified volume of space. ΘΚΠ the world > the universe > star > star-matter > [noun] > space density space density1923 over-density1979 1923 Proc. Royal Soc. 1922–3 A. 102 737 We can see, in a general way, the effect of this space density of the electrons on the current potential curves. 1978 Nature 10 Aug. 569/1 RS Canum Venaticorum systems are the most plentiful binary stars known, having a space density of at least 10–6 systems pc–3. 1996 Q. Jrnl. Royal Astron. Soc. 37 524 This is about all that can be gleaned immediately from the diagram—the space density of powerful radio sources is less than the space density of their weaker brethren. < as lemmas |
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