In order to improve the precision of the micro-seismic hypocenter location and the robustness of algorithms. the objective function construction and spatiotemporal region information use of the location algorithm based on time are studied. The simulation experiment is based on Numpy. the perfect arrival times subjoining random disturbance is used to simulate production situation. https://www.markbroyard.com/limited-time-depileve-easy-clean-wax-warmer-cleaner-220-ml-discount-top-mega/