If no agreement was reached, the army would step in.如果无法达成协议，军队将会介入。This is an important step toward lower interest rates.这是向较低利率迈出的重要一步。Nervous politicians might well feel more comfortable with a step-by-step approach.神...
The adhensive forces were found to be related to the metal to oxygen chemical - bond energy.已经发现,粘着力与金属-氧的化学结合能有关.Chemical bond mainly includes electrovalent bonds , covalent bonds, and metalic bonds.化学键主要有离子键 、 共价键 、 金属...