-
发表于:2019-03-25
问题详情:宇航员的训练、竞技体育的指导、汽车的设计等多种工作都用到急动度(jerk)的概念。加速度对时间的变化率称为急动度,其方向与加速度的变化方向相同。一质点从静止开始做直线运动,其...
-
发表于:2018-12-21
Reseachingstatusofsportsbiomechanicsofsplitjerkanddropjerk;ThestabilizationAngleandbalanceAngleofdropjerkwerebig,whichcouldnoteasilyleadtomovementfailure....
-
发表于:2018-04-24
Justkeepthatjerkoffme.IkilledmorementhanyoubeforeIcouldjerkoff.Jennaacceptedforherhalfofthetiewith,"Allyoupervertsouttherewhojerkofftoit,thankyousomuch."...
-
发表于:2024-02-01
1、Inthecleanandjerk,2、cleanandjerkwiththeleftarm3、cleanandjerkwiththerightarm4、Liftersperformtwotypesoflifts-thesnatchandthecleanandjerk.5、Weightliftingconsistsoftwo...
-
发表于:2024-01-05
1、Thebushasstoppedwithajerk.2、Shesatupwithajerk.3、UntilIfellinlovewithajerk!4、Hisremarkbroughtmeupshortwithajerk.5、Hisremarkbroughtmeupshort/sharp/withajerk.6、Theha...
-
发表于:2017-08-06
Isnotaknee-jerk,anditsownquiteup!"Wedon'twanttomakeknee-jerkchanges,wewanttobethoughtfulaboutit,"hesays.Asaresultregulatorsandcreditratingagenciespromisedtoavoidknee-j...
-
发表于:2017-04-12
He'sthebiggestjerkI'veevermet.Hefelthisheadjerkreflexively.I'masuspectbecauseI'mapetty,vindictivejerk?DisloyaljerkthatIwas,Ididnothing.Andhesaid:"Well,I'mthinkingth...
-
发表于:2018-10-31
jerkoutarequest,anapology,etcThesuddenjerkoutofsleep,theroughhandshakingyourshoulder,thelightsglaringinyoureyes,theringofhardfacesroundthebed....