Again the blue-white scar jagged above them and the sulphurous explosion beat down . 他们头上又裂开了一道蓝白色锯子状的口子，带着硫磺味的霹雳声又猛地打将下来。
The thermostatic spring is made up of two different metal strips welded together and formed into a spiral . 恒温控制弹簧是以两种金属条缠在一起形成螺旋状的弹簧。
An increase in resistance to roll deflections may be gained by splitting the single strut into a fork at the top . 采用上部分呈叉状的单支杆可以增强抗滚转变形性能。
The additive genetic variance of the same character, estimated from the covariance of half sibs, was 0. 9602 . 从半同胞协方差估计出来的，同一性状的加性遗传方差为09602。
A similar section through the female plant reveals several bottle-shape archegonia, the female reproductory organs . 通过雌株末梢的纵切面所现出的几个瓶状的颈卵器，这就是雌性生殖器官。
Nestled deep in the green hills of west virginia, a dish-shaped telescope keeps an unceasing vigil on the sky . 在西弗吉尼亚州绿丘起伏的深处，一个盘状的射电望远镜一直毫不间断地监视着天空。
Electron microscopy of the surface of a thylakoid reveals numerous cobblestone-like structures which have been named quantasomes . 类囊体表面的电子业显微镜照片显露了鹅卵石状的结构，称为光能转化体。
One common method is to have printed or duplicated sheets on which the characters are listed with the possible categories for each . 一个普通的方法是用印刷纸或复写纸尽可能把每个征状的范畴列成一张表格。
The stiletto was nine inches long, with an engraved handle and a stubby little cross piece, its needlelike point was extremely sharp . 那把短剑长九英寸，剑柄上刻着花纹，而且有个小小的横档。针状的剑锋非常锋利。
Incipient shearing of main crop ore shows the development of hairline mylonitized shear zones that rapidly increase up to 2mm in width . 主茬矿石的初始的错动是呈毛发状的糜棱岩化剪切带，然后很快地增大到2毫米宽。
