{"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":"c8Ry91qkQA6igO07LZRl5w","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}
新一代驱动器的JAZ、DVD-ROM、DVD-RAM、CD-RW、MO、PD 等纷纷登陆大容量驱动器市场,但硬盘以其容量
2009-10-11 12:26
=oxh_wx3、【周启全老师】开关电源全集http://t.elecfans.com/topic/130.html?elecfans_trackid=oxh_wx正负5V正负12V
2014-03-19 15:39
5v继电器驱动电路,12v继电器驱动电路[hide] [/hide]
2009-07-03 19:00
5v升12v要什么电源芯片
2013-03-20 15:56
因设计AD采样正负12V电源,需要:+5V输入,输出+12VGND-12V 的电源芯片,纹波要求可达到1%左右,负载20
2019-03-11 14:23
怎么将12V转成稳定的+5V和-5V
2016-03-19 15:14
描述ProDOS ROM-Drive v4这是 Apple ][ 系列计算机的外围卡,可作为只读固态磁盘驱动器 (SSD),全部位于 EPROM 中。虽然它不会运行 DOS,但它与 ProDOS
2022-06-24 07:52
如何用CD4047制作12V转220V逆变器
2021-05-11 08:06
一个5V的模块用降压模块与一个12V的模块并连在同一电源上,12V模块的按键可不可以用5V模块引脚用npn三极管来控制?
2021-12-17 04:08
本帖最后由 gk320830 于 2015-3-8 10:46 编辑 请教一下 我想买个电子产品 实现 脉冲电平转换5V/12V。初步考虑使用DC/DC转换器。但是这种转换
2013-03-06 10:15