The assertion is known as the closed graph theorem for Hilbert spaces.这个断语被称为希耳伯特空间的闭图象定理.For finite - dimensional spaces determinants can be brought into play.在有限维空间中可以运用行列式.The open , needle - like spaces in the athero...
Add one heaped tablespoon of salt.加一满勺盐。Heat one tablespoon of oil in a saucepan.将一汤匙油倒在锅中烧热.Use a solution of 1 tablespoon of vinegar to 1 pint of warm water.要用一大汤匙的醋加一品脱温水的比例调制的溶液....