Nearly 700 miles long, the earthquake zone is located by the North American Plate off the coast of Pacific British Columbia, Washington, Oregon and Northern California.
地震带位于太平洋的大不列颠哥伦比亚省、华盛顿州、俄勒冈州和北加州沿海的北美板块，近700英里长。
2
The concept of redundant illumination is introduced to ensure the coherent illumination of zoneplate and reduce the effect of source instability and element vibration.
引入冗余照明的概念，以实现波带板的空间相干照明以及降低束线对光源不稳定性及元件振动的要求。
3
The Fresnel zoneplate scanning holography is applied in the imaging through highly scattering media.