Wyndham Grand Weifang, China
Night Tour Building Lighting Project Lighting Factory Brief Introduction to Keyword Search Measures for Lighting Planning Data Collection
by：EME LIGHTING
2021-03-22
The people in the lighting factory of the night tour building lighting project believe that the lighting keyword search is the main method of network information retrieval, through matching-matching-user-provided keys-keys-words-searching-web-site and its information-materials . In order to raise-high inspection -...
The people in the lighting factory of Yeyou Building Lighting Project believe that lighting keyword retrieval is the main method of network information retrieval, through matching-matching users-user-given key-key-word to search-find net-station and its data. In order to improve the check-request efficiency-rate, besides providing simple-single check-keys-word check-search, each data-data-database has also taken many measures-improving-enhancing its check-search function-ability. .
Bu-Erluo-Edit Check-Search. People in Yeyou Louti Lighting Engineering Lighting Factory believe that general Boolean logic operators include NOT, AND, OR, and brackets. NOT means logical 'notAll key-keys-words; OR operator means logical 'orThe brackets-numbers in the words are similar, and can be used to make the operation-action-symbols enclosed in them first-actually-use.
The use-use of the symbol-number. The lighting factory of Yeyou Building Body Lighting Project thinks that the comma-its function is similar to OR. The difference is that the query-inquiry-results are arranged according to the number of gate-key-words contained, and the more gate-key-words are included, The position of the document is higher. Space-its function is similar to AND. The wildcard character '*' can replace-substitute any-meaning character-mother, '?' can replace an arbitrary letter. The wildcard character cannot be placed at the beginning or the middle of a word. '+' and '-' add a '+' sign without leaving a space in front of a key word, which means that the key word must appear in the search-search result-result, the '-' sign is just the opposite , Which means that the key word must not appear in the result.
The people in the lighting factory of Yeyou Building Lighting Project believe that lighting keyword retrieval is the main method of network information retrieval, through matching-matching users-user-given key-key-word to search-find net-station and its data. In order to improve the check-request efficiency-rate, besides providing simple-single check-keys-word check-search, each data-data-database has also taken many measures-improving-enhancing its check-search function-ability. .
Bu-Erluo-Edit Check-Search. People in Yeyou Louti Lighting Engineering Lighting Factory believe that general Boolean logic operators include NOT, AND, OR, and brackets. NOT means logical 'notAll key-keys-words; OR operator means logical 'orThe brackets-numbers in the words are similar, and can be used to make the operation-action-symbols enclosed in them first-actually-use.
The use-use of the symbol-number. The lighting factory of Yeyou Building Body Lighting Project thinks that the comma-its function is similar to OR. The difference is that the query-inquiry-results are arranged according to the number of gate-key-words contained, and the more gate-key-words are included, The position of the document is higher. Space-its function is similar to AND. The wildcard character '*' can replace-substitute any-meaning character-mother, '?' can replace an arbitrary letter. The wildcard character cannot be placed at the beginning or the middle of a word. '+' and '-' add a '+' sign without leaving a space in front of a key word, which means that the key word must appear in the search-search result-result, the '-' sign is just the opposite , Which means that the key word must not appear in the result.
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