1·"The findings appear to trace CR2 meteorites' origin to to cosmochemical regimes where ammonia was pervasive," the authors write.
调查结果发现对于CR2陨石的来源痕迹，对于宇宙化学环境，那里氨是遍布的，作者写道。
2·Documentation is established for what the origin of the branch requirement is (the direction of the trace relationship could be from the original to the branch requirement).
有一些文档是为分支需求的起源而建立起来(追溯关系的方向，可以是从原始的需求到分支之后的需求)。
3·Birds evolved from dinosaurs, but the origin of their feathers may trace back even deeper in time, to the common ancestor of dinosaurs and pterosaurs, like the fossil at left.
鸟类是从恐龙进化而来的，但羽毛的起源则要追溯到更为久远的上古时代，恐龙和翼手龙的共同祖先才是羽毛出现的源点，例如上图左边的这块化石。
4·It is not difficult to trace this senseless law to its origin; for an absurdity, adopted by a whole nation, must have some affinity with other ideas established and respected by the same nation.
上溯这种毫无道理的法则的渊源并不是件难事；因为一个荒谬的理论若是被一个国家采用，那么它必定和这个国家创立和尊重的其他学说有着密切的联系。
5·By rewinding the video of a zebrafish embryo, the researchers were able to trace the origin of cells that formed specific tissues, such as the retina at the back of the eye.
通过回放斑马鱼胚胎的录像，研究者可追寻出组成特定组织比如它眼球上的视网膜的原细胞。
6·The composition of oxygen isotope is a good tool to trace the origin and formation environment of sulfate.
氧同位素组成是一个非常有效的示踪硫酸盐的起源和形成环境的工具。
7·Often, you can trace the origin of a bug back to a caller that's sending the wrong type of argument, the wrong number of arguments, or a mismatch between the order of actual and formal arguments.
常常可以发现bug的原因是调用者发送了类型错误的参数或数量错误的参数，或者实际参数和形式参数的次序不匹配。
8·Lo said. "We need to trace it back to its origin, find out what machinery is turning it on and shut that down."
Lo说，“我们需要追溯到它的起始，发掘开启和关闭它的机制。”
9·From this unique perspective, we can scrutinize their spiritual status and trace the origin of the Chinese intellectual enlighteners.
从这一特殊的角度，既可以审视启蒙者的精神状态，也是中国知识启蒙者由来的溯源。
10·To trace the origin or derivation of.
溯源追溯…的源头或起源于…