有时，国际援助机构不能使用正规的投标程序。
There are times when the agencies cannot use normal tendering procedures.
为遵守规定的投标程序，每份合同均需包含3个报价。
Proper bidding processes were followed by obtaining 3 comparable RFPs for all contracts.
这些机构所遵循的正规的投标程序是有购买总价值决定的。
The normal tendering procedures followed by agencies depend on the total value of the purchase.
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