Construct an animation of the deltoid sliding on two mutually perpendicular lines.建构一动态绘图:展示三角线沿著互相垂直的两轴滚动.Construct two mutually orthogonal tangents of the deltoid. Where do they meet?三角星形线的两条互相垂直的法线的交点在哪里?Construct rot...
它由竖井 、 暗渠 、 明渠和涝坝 ( 一种小型蓄水池 ) 四部分组成.It consists of shafts, culverts , channel and flood dam ( a small reservoir ) composed of four parts.由于工程老化,年久失修,北墅水库输水暗渠墙体多处发生位移破坏,严重影响工程的正常使用.In Beishu Reservoir, the displacement de...
装订机等一些会员卡制作后加工设备.Ring binder and other membership card after processing equipment.我们有自动装订机.We have an automatic binding machine.靠近iGen3安装了切纸机 、 折页机和专业会员卡制作后加工用的装订机.Close to the iGen 3 installed cutter, folding machine an...
Streaks of faint light were rising, heralding a new day.几道淡淡的晨曦正在升起, 预示新的一天的来临.Viruses are often classified into broad categories as mosaics , yellows, mottles, and streaks.病毒病常分为几大类,即花叶病, 黄化病, 斑驳或条斑.The flames begin as ...
两天以后，他们把受精卵重新植入了我的体内。Two days later, they implanted the fertilized eggs back inside me.当受精卵植入子宫壁时，妊娠就开始了。Pregnancy begins when the fertilized egg is implanted in the wall of the uterus.非同卵双生子是两个受精卵同时在子宫内着床的结果。Non-identic...