An early stem-amniote, Limnoscelis (close to mammals/reptiles divergence); cast. Grand sea turtle skeleton. One of my faves on display: a real pareiasaurian reptile skeleton, and you can get a good 3D look around it. Details on above pareiasaurian. Mammals are downstairs, but we’re rem...
a从激光器发出的激光束具有一定的发散角,对于激光加工来说,只有通过扩束镜的调节使激光光束变为准直光束,才能利用聚焦镜获得细小的高功率密度光斑 The laser beam sends out which from the laser has certain divergence angle, regarding the laser processing, only then causes the laser light beam through the...
aFrequency also has an effect on the shape of the ultrasonic beam. Beam spread, or the divergence of the beam from the center axis of the transducer, and how it is affected by frequency will be discussed later. 频率也有一个作用在超声波射束的形状。 射线传播或者射线的分歧从变换装置的中心轴...
It is either a non-negative real number or ∞. When it is certain, the power arrangement merges completely and consistently on smaller sets inside the open plate of sweep equivalent to the span of assembly, and it is the Taylor arrangement of the analytic function to which it combines....
What is convergence of oceanic plates? What does divergence zone mean in oceanography? What are the boundaries of benthic zones? What is the salinity of the aphotic zone? What is a convergent boundary? What is the interior ocean in oceanography? What is geological oceanography? What is coastal...
Divergence should be less than a few degrees. Dipvergence should be less than 5 to 10 arc minutes for VR HMDs. IPD is critical to visual comfort and depth perception. IPD is the distance between the centers of the pupils of the eyes. IPD varies among the population with a range of ...
At mid-ocean ridges, the Earth's crust undergoes a process of renewal. Here, magma from the mantle ascends through fissures due to the divergence of tectonic plates, solidifying into new oceanic crust upon contact with the cold ocean water. This newly formed crust is indeed hot and initially...
the onset of decompression mantle melting, the onset of localized plate divergence, the installation of a ridge-type thermal regime (active heat balance, no inheritance), which we argue is the most practical definition for continental breakup, and, possibly, the onset of ridge-type, focused mantl...
) The condition of being oblique; deviation from a right line; deviation from parallelism or perpendicularity; the amount of such deviation; divergence; as, the obliquity of the ecliptic to the equator. Obliquity (n.) Deviation from ordinary rules; irregularity; deviation from moral rectitude. Ob...
a渐变段扩散角应小于10° The gradation section angle of divergence should be smaller than 10°[translate] aMeasurement CBM 测量信心树立举措[translate] a建立良好的人际关系,培养良好的生活习惯。 Establishes the good interpersonal relationship, raises the good habits and customs.[translate] ...