发生式保单
recurrence formula───递推公式；[数]递归公式；循环公式
recurrence formulae───递推公式
recurrence formulas───递推公式；[数]递归公式；循环公式
occurrence───n.发生；出现；事件；发现
occurrences───n.发生；出现；事件；发现
currency bar───货币栏
currency bars───货币栏
currency bond───货币债券，通货债券
currency note───流通券；纸币
The methodological background and measurement method of "ionometric haloes "method are described. The problems concerning the occurrence form of the analyzed matter are discussed.───介绍了“离子晕法”的方法学背景和测量方法，对与被测物质赋存形式有关的问题进行了讨论。
Through the flotation test, the occurrence form, main carrier mineral and arsenic abundance in both types of coal are analyzed and calculated.───通过浮选试验，对两种类型煤中砷的赋存形态、主要载体矿物及含砷丰度进行了分析和计算。
Certificates must state that it is an Occurrence form policy. We do not accept claims made policies.───证书必须阐明这是事故保险，我们不接受索赔保险。
In terms of the occurrence form, the gold deposits of southwest Guizhou fall into three types of interlayer, fracture and laterite.───黔西南地区的金矿床按产出形态可分为层间型、断裂型和土型三种类型。
Through the flotation test, the occurrence form, main carrier mineral and arsenic abundance in both types of coal are analyzed and calculated.
