如果倾斜方向相反的话, 它就是正的了.If the dip were in the opposite direction, it would be positive.每个相角不论是正的还是负的, 都是相对于水平轴来说的.Each phase angle, whether positive or negative, is referenced to the horizontal.方差的正的平方根叫做标准差.The positive squ...
Lorna found that people were willing to open up to her.洛娜发现人们愿意对她畅所欲言。We had to hammer and shout before they would open up.我们不停地拍门、叫喊，他们才开了门。"Police! Open up!" — "Oh well," I thought, "here we go."“警察！开门！”——“哎呀。”我想，“又来了。...
Class I occlusion with coordinated dental midline was obtained.治疗后两年追踪观察,齿列情况稳定,外观有良好的改善.There are midline deviations in population with normal occlusion.正常人群中线偏移距(度)不为零.There is a posterior midline fatty lesion consiste...
Most of the other fossils come from rhynchosaurs ( parrot - beaked reptiles ).其他大部分化石来自剪嘴龙 ( 嘴像鹦鹉的爬行动物 ).A Fox invited a long - beaked Stork to have dinner with him.狐狸请长嘴鹳同他一起吃饭....a high-beaked nose and large protuberan...