{"error":{"root_cause":[{"type":"query_shard_exception","reason":"failed to create query: {\n \"regexp\" : {\n \"keyword\" : {\n \"value\" : \".*REF01, REF02 pdf datasheet ( 5.*\",\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\" : \".*REF01, REF02 pdf datasheet ( 5.*\",\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}
net的关键字,ref关键字--让参数按照引用传递。其效果是,当控制权传递回调用方法时,在方法中对参数所做的任何更改都将反映在该变量中;也等同将值类型的数据使用引用方式传参。若要使用ref参数,则方法定义和调用方法都必须显式使用
2017-11-16 16:40
REF19X基本连接电路图
2009-06-29 10:17
Texas Instruments REF1112分流电压基准专为功率和空间敏感型应用而设计。REF1112采用SOT23-3封装,工作电流为 1μA。该器件为目前使用较大封装电压基准(如REF1004和LT1004
2025-07-11 14:53
仪表放大器的输出以REF引脚上的电压为基准,这在输出信号需要偏移到其局部模拟地以外的电压时会很有用。仪表放大器的基准引脚用来调节输出信号的参考电压。基准引脚REF在电阻R的一端,R通常为KΩ级。
2023-07-25 10:20
REF19X应变传感器电路图
2009-06-29 10:18