The modified balancedarea method is proved that is correct in reason and valid for practice.
探讨了修正平衡面积法的证明方法，证明了该方法在原理上的正确性和实用中的有效性。
2
Efficiencies gained in one business area by introduction of the SOA need to be balanced against extra data-entry tasks (and therefore increased risk of data-entry errors).
通过引入 SOA 而获得的业务领域的效率需要与额外的数据输入任务（从而增加了数据输入错误的风险）进行权衡。
3
Unlike America, the euro area has the added attraction of a broadly balanced current account.