[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fzYPltBtE5YjS0EV38gj2rmJDDvLCy49aDvVsKKKZyQI":3},{"id":4,"source":5,"question":6,"options":7,"answer":8,"related":9,"type":16,"origin":71,"createTime":18},288551651,"v1","The strain-induced crystallization (应变诱导结晶) gives natural rubber products high tensile strength (拉伸强度) and resistance to cutting (抗剪强度), tearing (撕裂), and abrasion",[],[],[10,19,25,31,37,43,49,53,59,65],{"id":11,"source":5,"question":12,"options":13,"answer":14,"related":15,"type":16,"origin":17,"createTime":18},288551645,"By the early nineteenth century, rubber was recognized as a flexible, tough (坚韧的), waterproof (防水) and air-impermeable (不透气的) material",[],[],[],4,null,"2025-12-27T07:18:28+08:00",{"id":20,"source":5,"question":21,"options":22,"answer":23,"related":24,"type":16,"origin":17,"createTime":18},288551646,"The \"masticator\" (塑炼机) invented by Thomas Hancock (托马斯﹒汉考克) subjected the rubber to intensive shearing (剪切) that softened it sufficiently to allow mixing and shaping (成型)",[],[],[],{"id":26,"source":5,"question":27,"options":28,"answer":29,"related":30,"type":16,"origin":17,"createTime":18},288551647,"The dried latex received the name \"rubber\" in 1770 when John Priestly discovered that it could rub out (擦除) pencil marks",[],[],[],{"id":32,"source":5,"question":33,"options":34,"answer":35,"related":36,"type":16,"origin":17,"createTime":18},288551648,"More importantly, rubber articles made from natural rubber latex became stiff (刚性的) and hard in cold weather, and soft and sticky (黏性的) in hot weather",[],[],[],{"id":38,"source":5,"question":39,"options":40,"answer":41,"related":42,"type":16,"origin":17,"createTime":18},288551649,"Vulcanization——heating the mixture of rubber and sulfur (硫磺) to crosslink the rubber polymer network——greatly improved rubber strength (强度) and elasticity and eliminated its deficiencies (缺陷) at temperature extremes",[],[],[],{"id":44,"source":5,"question":45,"options":46,"answer":47,"related":48,"type":16,"origin":17,"createTime":18},288551650,"Due to its high structural regularity(规整性), natural rubber tends to crystallize (结晶) spontaneously at low temperatures or when it is stretched (拉伸)",[],[],[],{"id":4,"source":5,"question":6,"options":50,"answer":51,"related":52,"type":16,"origin":17,"createTime":18},[],[],[],{"id":54,"source":5,"question":55,"options":56,"answer":57,"related":58,"type":16,"origin":17,"createTime":18},288551652,"The slower the force, and the longer it is maintained, the greater is the permanent set (永久变形)",[],[],[],{"id":60,"source":5,"question":61,"options":62,"answer":63,"related":64,"type":16,"origin":17,"createTime":18},288551653,"Emulsion polymerization (乳液聚合) is carried out either hot, at about 50℃, or cold, at about 5 ℃, depending upon the initiating system (引发体系) used",[],[],[],{"id":66,"source":5,"question":67,"options":68,"answer":69,"related":70,"type":16,"origin":17,"createTime":18},288551654,"Oil extension of SBR improves processing characteristics (加工特性), primarily allowing easier mixing (混炼), without sacrificing physical properties (力学性能)",[],[],[],{"courseName":72,"courseImg":73,"workName":74,"workId":75,"count":76,"courseId":77},"默认课程","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","英译汉-句子理解翻译","work_49309259",52,"53e1d2ef4961cca8eea3e23969ad2cb9"]