{"error":{"root_cause":[{"type":"query_shard_exception","reason":"failed to create query: {\n \"regexp\" : {\n \"keyword\" : {\n \"value\" : \".*5V/12V电源硬盘驱动器(CD-ROM光碟,CD-RW的D.*\",\n \"flags_value\" : 65535,\n \"max_determinized_states\" : 10000,\n \"boost\" : 1.0\n }\n }\n}","index_uuid":"SON-ziQURzKK3JljPlVlCQ","index":"recommend_keyword_search_v1"}],"type":"search_phase_execution_exception","reason":"all shards failed","phase":"query","grouped":true,"failed_shards":[{"shard":0,"index":"recommend_keyword_search_v1","node":"-Gn7X2aRSFmN2hMyaNEUCA","reason":{"type":"query_shard_exception","reason":"failed to create query: {\n \"regexp\" : {\n \"keyword\" : {\n \"value\" : \".*5V/12V电源硬盘驱动器(CD-ROM光碟,CD-RW的D.*\",\n \"flags_value\" : 65535,\n \"max_determinized_states\" : 10000,\n \"boost\" : 1.0\n }\n }\n}","index_uuid":"SON-ziQURzKK3JljPlVlCQ","index":"recommend_keyword_search_v1","caused_by":{"type":"illegal_argument_exception","reason":"expected ')' at position 34"}}}]},"status":400}
大家好 本人有一个闲置的联想笔记本电源,输出DC19v 2.64A,想用在一个拆下来的丰田汽车CD上做电源使用,这个丰田CD
2017-05-23 19:40
CD4051是一个常用的8选1开关,现在我想用单片机通过5v转12v电压转换电路的接通其选路A,B,C端,使用单片机来控制cd4051的选通,单片机的P3^7口也通过
2015-10-19 15:11
制作了一个12V稳压电源,然而单片机需要5V电源,要怎样从该12V电源中
2019-04-21 22:58
; pl = eng& ckey = 375133& nid = -536902551.536880914&amp ;id = 375133这表明我可以得到免费提供CD-ROM,但它引用
2018-10-22 16:06
有+24V电源供电,怎样获得+12V,-12V,+5V,-5V的
2018-09-11 18:28
我有两个能够为60V / 2A供电的直流电源为硬盘供电。硬盘驱动器需要12V和5
2018-12-19 15:54
变压器输出15V的电源,但是系统需要一个12V的,一个5V的,一个3.3V
2019-06-05 05:55
我用12V 的适配器 提供输入,输出只有3.4V而用直流电源 输出正好就是5V。想问的是。为什么用适配器输出只有3.4V
2012-09-11 11:52
l298n有一个5v的和一个12v的怎么提供12v电源啊
2014-04-25 12:24
怎么将12V转成稳定的+5V和-5V
2016-03-19 15:14