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²¨Êø¿í¶È beam widthº½Ïò£»·½Î» bearing
²îƵÔ츸[ÐÍ]±äÐÇ beat Cepheids
ÅĺÏÖÜÆÚ beat period
±´¿ËÀÕ(·ÅÉäÐÔµ¥Î»)(=Ë¥±ä/Ãë) becquerel (bq)
·ä³²ÐÇÍÅ£»¹íËÞÐÇÍÅ Beehive (M44)
³öÏÖµã¸ß¶È(Á÷ÐÇ) beginning height
Á¢Çï beginning of autumn
³õ¿÷ beginning of eclipse
Êï¹âʼ beginning of morning twilight
ƫʳʼ beginning of partial eclipse
Á¢´º beginning of spring
Á¢ÏÄ beginning of summer
ȫʳʼ£»Ê³¼È beginning of totality
Á¢¶¬ beginning of winter
ËêÊ× beginning of year
³öÏÖµã(Á÷ÐÇ) beginning point
Ìì[Íõ]ÎÀÊ®ËÄ Belinda
ÁÔ»§[×ù]¦Ã[ÐÇ]£»²ÎËÞÎå Bellatrix (¦Ã Ori)
´ø£»´øÎÆ(ÐÐÐÇ) belt
ȫʳ´ø belt of totality
´óÐÜ[×ù]¦Ç[ÐÇ]£»Ñþ¹â£»±±¶·Æß Benetnasch (¦Ç UMa)
°×ŬÀû»úÂÊ Bernoulli probability
°×ŬÀû¶¨Àí Bernoulli¡®s theorem
°×Èû¶úº¯Êý Bessel function
°×Èû¶ú·½³Ì[ʽ] Bessel¡®s equation
°×Èû¶úÈÕÊý Besselian day numbers
°×Èû¶úÒªËØ£»°×Èû¶ú¸ùÊý Besselian elements
°×Èû¶úÐÇÊý£»°×Èû¶úÈÕÊý Besselian star numbers
°×Èû¶úÄê Besselian year
¦ÂË¥±ä£»±´ËûË¥±ä beta-decay (¦Â-decay)
¦ÂÁ£×Ó£»±´ËûÁ£×Ó beta-particle (¦Â-particle)
µç×Ó»ØÐý¼ÓËÙ betatron acceleration
µç×Ó»ØÐý¼ÓËÙЧӦ betatron effect
ÁÔ»§[×ù]¦Á[ÐÇ]£»²ÎËÞËÄ Betelgeuse (¦Á Ori)
Be star BeÐÍÐÇ£»BÐÍ·¢Éä[Æ×Ïß]ÐÇ
Ìì[Íõ]ÎÀ°Ë Bianca
Ë«°¼Í¸¾µ biconcave lens
˫͹͸¾µ biconvex lens
±ÈÀåç[ÐÇ] Biela comet
±ÈÀÁ÷ÐÇÓꣻÏÉÅ®[×ù]Á÷ÐÇÓê Bielids
±±¶·[ÆßÐÇ] Big Dipper
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