This method can acurately simulate the flow direction in gird near river, and can keep the direction of waterflow from crossing the watershed of subdrainage area.
On June 17th Moody's, a credit-rating agency, agreed that the plan was ground-breaking, “girding the city for a tough fight with creditors of all types”.
Americans are now girding themselves for the prospect of both a partisan battle over impeachment and perhaps the most fiercely contested election in recent memory.