指如果我们要下定义的事物是一个由已知元素组成的结构,我们可以通过说出这些元素和借以构成这个结构的那些关系,给它下的定义
3030
22T TRACK SET - BLACK
品牌:Pololu Corporation
库存:有货
货期: 1~2工作日 7~10工作日
2374
HD GIANT SERVO HD-1235MG HORN
库存:26
1994
1/4" SHAFT M3 HOLES 2PK MNTG HUB
库存:61
3691
MULTI-HUB WHEEL WHITE 2PK
库存:98
3431
FEETECH GIANT SERVO FT5335M HORN
库存:51
3129
ZUMO CHASSIS WHT RPLMNT SPROCKET
1438
WHEEL 90X10MM PAIR - BLUE
库存:56
1436
WHEEL 90X10MM PAIR - RED
库存:59
3128
ZUMO CHASSIS RED RPLMNT SPROCKET
库存:64
1079
3MM SHAFT MTG HUB #2-56 HOLES
库存:65
954
BALL CASTER WITH 3/4" PLASTIC
2670
PLASTIC GEARMOTOR L-BRKT PAIR
2266
L-BRKT FOR NEMA 17 STEPPER MOTOR
库存:76
3539
WHITE ROMI CHASSIS CASTER KIT
3034
30T TRACK SET - RED
库存:104
3690
MULTI-HUB WHEEL BLACK 2PK
库存:142
1995
MACHINED BRACKET FOR 37D GEARMTR
1993
1/4" SHFT #4-40 HLS 2PK MNTG HUB
库存:248
1084
37D METAL GEARMOTOR L-BRKT PAIR
1999
6MM SHAFT M3 HOLES 2PK MNTG HUB
库存:1050
1203
5MM SHAFT #4-40 HLS 2PK MNTG HUB
库存:358
1998
5MM SHAFT M3 HOLES 2PK MNTG HUB
2692
1" PLASTIC BALL CASTER
1138
20D MM METAL BRACKET PAIR
1997
4MM SHAFT M3 HOLES 2PK MNTG HUB
库存:472
1081
4MM SHAFT MTG HUB #4-40 HOLES
1078
3MM SHAFT MTG HUB #4-40 HOLES
库存:242
1439
WHEEL 90X10MM PAIR - WHITE
库存:328
1435
WHEEL 90X10MM PAIR - BLACK
库存:800
1433
WHEEL 80X10MM PAIR - BLUE
库存:117
1432
WHEEL 80X10MM PAIR - YELLOW
库存:182
1431
WHEEL 80X10MM PAIR - RED
1434
WHEEL 80X10MM PAIR - WHITE
库存:311
1430
WHEEL 80X10MM PAIR - BLACK
989
MICRO METAL MOTOR BRACKET PAIR
1089
MICRO METAL GEARMTR BRACKET EXTD
库存:3568
1086
MICRO METAL GEARMTR BRACKET PAIR
2674
ALUMINUM WHEEL ADAPTER 6MM SHAFT
库存:191
2687
HEX WHL ADAPT 6MM SHAFT EXTD 2PK
库存:194
2673
ALUMINUM WHEEL ADAPTER 5MM SHAFT
1427
WHEEL 70X8MM PAIR - YELLOW
2819
FEETECH MICRO SERVO WHEEL BLK 2P
库存:262
1428
WHEEL 70X8MM PAIR - BLUE
库存:320
1429
WHEEL 70X8MM PAIR - WHITE
库存:339
1425
WHEEL 70X8MM PAIR - BLACK
1423
WHEEL 60X8MM PAIR - BLUE
库存:257
1421
WHEEL 60X8MM PAIR - RED
库存:261
1424
WHEEL 60X8MM PAIR - WHITE
库存:275
1420
WHEEL 60X8MM PAIR - BLACK
库存:1328
3521
PINK ROMI CHASSIS MTR CLIP 2PK
型号:
品牌:
供货:锐单
单价:
货期:1-2天
单价:¥0.00总价:¥0.00