So if China really is extending its purchases along the curve, that suggests it is less worried than it says about Uncle Sam's debt levels spiralling out of control.

Control by project is available via, the plan of analytical accounts via menu: double-click on the account to get the details of all the transactions: services, production, sales and purchases.

The purchases ability of farmers is limited in our country, and the purchasable intelligent monitor and control system for the greenhouse environment are expensive and complicated.