>db.inventory.distinct(“sizes”)//获取数组格式字段的不重复值 结果:[“M”,”S”,”L”] >db.inventory.distinct(“item.sku”,{dept:”A”})//满足dept为A数据的item字段的子字段的不重复值 结果:[“111”,”333”] 运行过程: 下载并安装JAVA MongoDB驱动程序并编辑环境变量 在MongoDB控制台导入需...
} var charsets = []; if(consonants.length){ charsets.push({type:"consonants", chars:consonants}); } if(vowels.length){ charsets.push({type:"vowels", chars:vowels}); } if(other.length){ charsets.push({type:"other", chars:other}); } var wordObj = { word: word, first: word[0...
WE Smith,GT Kyle,S Sutton - 《Marine Policy》 被引量: 0发表: 2021年 Examining Business Turnover in the Texas Charter Boat Fishing Industry: 1975·80 The objective of this investigation was to investigate displacement behavior among inshore fishing guides based on a contextual self-classification ...
JS Diana,S Maruca,B Low - 《Journal of Great Lakes Research》 被引量: 16发表: 2017年 A Survey of Sport Fishing in the Illinois Portion of Lake Michigan. Apr. 1989 through Sept. 1989. The purpose of this study was to provide estimates of the non-charter sport fishing effort, harvest ...
Sport fishing offers some of the most thrilling and exciting water sport adventures. If you want to gain the maximum out of a sport trip, what you need to do is hire an expert fishing charter. These charters give you an excellent opportunity to enjoy your activity in the most exciting of...
He explains his motivation to pursue catching more fish every day than people will in a year. He shares insight on the dependence of fishing as a sport on a fisherman's family and the challenge of raising a child.BETHGEGERRYEBSCO_AspOutdoor Life...
All year round Free Ramsey visitisleofman.com Sulby Reservoir The Island's largest reservoir lies in the shadow of Snaefell and offers a great trout fishing adventure. Surrounded by wild and rugged uplands, you will be spoilt for choice when it comes to casting your line. Stocked ...
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Sport is the source of all life. 7、人生的本质就在于运动,安谧宁静就是死亡。——帕斯卡 The essence of life lies in sports, quiet quiet is death. 8、生命就是运动,人的生命就是运动。——列夫·托尔斯泰 Life is movement, the person's life is movement. 2.请问一下关于运动的英语名言 急用 多...
经批准转让房地产时，以补交的土地使用权出让费用或者土地收益为计税依据。【例题1】张某于2005年以每套80万元的价格购入两套高档公寓作为投资。2006年将其中一套公寓以100万元的价格转让给谢某，从中获利20万元，根据我国税收法律制度的规定，张某出售公寓的行为应缴纳的税种有( )。