This paper studies the establishment of the Canadian pension system,the sharp argument of the pension to the policy of retrenchment,the defeat of realizing universal covering,the sinking and rising of the aged allowance programme,the political negotiation-the ref.

The structural relationship between noun and noun phrase,and noun phrase and nominal clause is carried out respectively by the opposite means of expansion and condensation.

Multi-user detection based independent component analysis with processing of deflation;

Clinical efficacy of uninjured mucosa-vaginal contraction plastic surgery;