stc+20+240q-20q+q
΢¹Û¾¼Ãѧ¼ÆËãÌâÇó½â´ð¸ß·ÖÐüÉÍ!!
½â£º£¨1£©ÒòΪÒÑÖª£ºSTC=20+240Q-20Q2 +Q3 £¬Ôò£ºMC=240-40Q+3Q2 £¬MR=315 ¸ù¾ÝÀûÈó×î´ó»¯ÔÔò:MR=MC£¬¼´£º315=240-40Q+3Q2 £¬ÇóµÃ£ºQ=15 °ÑP=315...
µ¥ÏîÑ¡ÔñÌâ(5*10=50·Ö)1¡¢×ÜЧÓÃÇúÏß´ïµ½¶¥µãʱ( B).A...
1.Èç¹ûijÆóÒµ¶ÌÆÚ×ܳɱ¾º¯ÊýΪSTC=1200+240q-4q2(1/3)q3.ÊÔÎÊ:(1)µ±SMC´ïµ½×îСֵʱ,ËüµÄ²úÁ¿ÊǶàÉÙ?ËÄ¡¢ÂÛÊöÌâ(15·Ö)4¡¢ÔÚÉú²úµÄÈý¸ö½×¶ÎÖÐ,ÎÊ(1)Ϊʲô³§É̵ÄÀíÐÔ¾ö²ß...
ÓÃͼÐÎÍÆµ¼ÍêÈ«¾ºÕù³§ÉÌ¶ÌÆÚ¹©¸øÇúÏß
Æ»¹ûµÄÊг¡¼Û¸ñΪÿµ¥Î»140Ôª¡£¹«Ë¾µÄ¶ÌÆÚ×ܳɱ¾º¯ÊýΪSTC = 240Q £ 20Q2+Q3¡££¨1£©ÇóÀûÈó×î´óʱµÄ²úÁ¿£¿´Ë²úÁ¿Ê±µÄƽ¾ùµ¥Î»³É±¾£®×ÜÀûÈóΪ¶àÉÙ£¿£¨2£©¼ÙÉè¸ÃÆóÒµ...
ÈçºÎ´Ó¸ß¶Ëµ¥Æ¬»ú½ø½×µ½Ð½½ð¸ü¸ßµÄǶÈëʽ?
https://pan.baidu.com/s/1eU18n0RAnmfTVCN2hzZrlwÌáÈ¡Â룺stc5ͼƬºÍÄÔͼµÄÔ´Îļþ¶¼ÓÐÌṩ¡£Ïл°ÉÙ˵£¬ÂíÉÏ¿ªÊ¼¡£Ê×ÏÈÈçͼ£¬Ç¶Èëʽѧϰ·...
Áã¿ÌµÄпî SER9 Pro ÃÔÄãµçÄÔÖ÷»úÐÔÄÜÈçºÎ,ÖµµÃÈëÊÖ...
ÄÚÖÃÒôÏì²ÉÓöÀÁ¢PCBÄ£¿é»¯Éè¼Æ£¬Êý×Ö¹¦·ÅоƬΪÖÁÊ¢°ëµ¼ÌåµÄACM8625S£¨ÄÚÖÃDSPËã·¨£©£¬ADCоƬΪоÂó¿Æ¼¼µÄGC1808£¬¿ØÖÆÐ¾Æ¬Îªºê¾§¿Æ¼¼µÄSTC8G1K...
Çë½ÌÒ»µÀÎ÷·½¾¼Ãѧ¼ÆËãÌâ,лÁË
1¡¢²úÆ·Êг¡¾ùºâ£º´¢Ðî=Ͷ×Ê£¬Y=C+G+I,ÇÒY=Yd+T,´úÈëÌõ¼þµÃ£¬Y=1200-25i »õ±ÒÊг¡¾ùºâ£º»õ±Ò¹©¸ø=»õ±ÒÐèÇó£¬Y=1000£¬i=8£¬I=100 2¡¢ÓÉÓÚGÔö¼ÓÁË20£¬µ«»õ±Ò...
¾¼ÃѧÔÀí¼ÆËãÌâÒ»°ãÓõÄÊÇʲô·½³Ì
3£®ÉèÍêÈ«Êг¡ÖеĴú±íÐÔ³§ÉÌµÄ¶ÌÆÚ³É±¾º¯ÊýÊÇSTC=20£«240Q£20Q2£«3Q3£¬Èô¸Ã²úÆ·µÄÊг¡¼Û¸ñÊÇ315Ôª£¬ÊÔÎÊ£º £¨1£©¸Ã³§ÉÌÀûÈó×î´óʱµÄ²úÁ¿ºÍÀûÈó £¨2£©¸Ã³§...
¸÷λÅóÓÑ.ÎҵijµÂÖÌ¥ÐͺÅÊÇ215/60R16µÄ16´ç,¿ÉÒÔ×°µ½...
5Ìõ»Ø´ð:¡¾ÍƼö´ð°¸¡¿ÂÖÌ¥µÄ°²×°³ß´çÊǸù¾ÝÆû³µµÄ³ß´çºÍÉè¼ÆÀ´¾ö¶¨µÄ,Èç¹ûÄãµÄ³µÊ¹ÓõÄÊÇ215/60R16³ß´çµÄÂÖÌ¥,ÄÇôËüÓ¦¸ÃÊÊÓÃÓÚ16´çÂÖ챡£...
¼ÒÍ¥Ó°Ôº¸ÃÈçºÎ²¼ÖÃ?
2. Ë÷ÄáPS5 Pro£¨ÓÎÏ·ÓëÓ°ÒôË«ÐÞ£©ºËÐIJÎÊý£ºÊä³ö£º8K/120Hz¡¢4K/240Hz£¨HDMI 2.1£©ÒôЧ£ºTempest 3D AudioTech£¨¼æÈÝDolby Atmos£©ÓÅÊÆ£º...
¹ú²úMCUÓÃÄļҵĺÃ?
ºê¾§¿Æ¼¼ºËÐļ¼Êõ£ºÔöÇ¿ÐÍ8λ8051µ¥Æ¬»úÉè¼Æ£»¹Ø¼ü²úÆ·£ºSTCÔöÇ¿ÐÍ8051ϵÁÐFLASHµ¥Æ¬»ú£»Ö÷ÒªÓ¦ÓãºÍ¨ÐÅ¡¢¹¤Òµ¿ØÖÆ¡¢ÐÅÏ¢¼Òµç¡¢ÓïÒô¡¢Íæ¾ß¡¢ÀñÆ·µÈ...