And we simulated the optical field ' s propagation of the ridge wave - guide , y - type embranchment wave - guide , more embranchment wave - guide and x - type embranchment wave - guide
Tiny average length measures 1 . 5 cm , body is tan brown above , with an x - shaped marking on the back , long and slender hind legs with obvious foe discs on all four feet
Meanwhile , high - intensity x - shape hot thermoplastics slice , also used in the lateral heel of the shoes , protects the ankle , improves movemnt , and keeps the stblilty
手机版