In April,the P5+1 offered Iran a revised package of incentives for it to halt uranium enrichment and return to negotiations over its nuclear program.
VOA: standard.2009.09.11
z So what we end up seeing is 34 that the z effective is equal to positive 1 . 3 4.
看到有效的,等于+1。
+4 Because this could be three plus four, 3 times five, or it could be three, plus four times five.
因为这可能是,然后乘以5,也可能是,加上4乘以5。
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