近鸟龙的腕骨呈深楔形，因此它可以将前肢折叠到身体两侧，行走时前肢上的羽毛可以悬空，不会拖在地面上。
Anchiornis's wrist bone was so wedge-shaped that it could fold its arms to its sides, keeping its arm feathers off the ground as it walked.
代数学,据约翰·德比夏尔所说,可以追溯到古巴比伦人留在楔形文字石碑上的简单的代数问题.
THE roots of algebra, asJohn Derbyshire tells us, go back to the ancient world: the Babylonians leftcuneiform tablets showing simple algebraic problems.
不论从前面还是从侧面观察头部，共同之处在于都可以明显地观察到倾斜的楔形，轮廓平顺。
When viewed from the front or the side the head bears a general resemblance to a well-blunted clean wedge, being smooth in outline.
一项1913年颁布、至今有效的法律旨在通过禁止雇用“公关专家”来阻止宣传，这道禁令涵盖的是从现代通讯到楔形文字泥板的一切。
A 1913 statute, still on the books, sought to thwart propaganda by forbidding the hiring of "publicity experts," a ban that has as much to do with modern communication as cuneiform tablets.
不论从前面还是从侧面观察头部，共同之处在于都可以明显地观察到倾斜的楔形。轮廓清晰、平顺，精致且比例协调。
Both in front and profile view, the head bears a general resemblance to a well-blunted wedge, being smooth and clean in outline and nicely balanced in proportion.
不论从前面还是从侧面观察头部，共同之处在于都可以明显地观察到倾斜的楔形，轮廓平顺。
Viewed from front or side, head resembles a well-blunted clean wedge, being smooth in outline.
叶片基部宽楔形到圆形，边缘钝锯齿；核果和内果皮椭圆形的到长圆形。
Leaf blade base broadly cuneate to rounded, margin obtusely serrate; drupe and endocarp ellipsoid to oblong.
通过固定激发源与探测源的位置，并沿垂直于楔尖方向扫描样品，可以观察到楔形波的模态转变过程。
Mode transformation is determined by fixing the distance between the excitation and detection position, as well as by scanning the samples along the normal direction of the wedge tip.
中间层(16)从边缘(18)到点(20)具有均匀的厚度分布，并且从点(20)到边缘(22)具有楔形厚度分布。
Interlayer (16) has a uniform thickness profile extending from edge (18) to point (20) and a wedge-shaped thickness profile from point (20) to edge (22).
中间层(16)从边缘(18)到点(20)具有均匀的厚度分布，并且从点(20)到边缘(22)具有楔形厚度分布。
Interlayer (16) has a uniform thickness profile extending from edge (18) to point (20) and a wedge-shaped thickness profile from point (20) to edge (22).
应用推荐