求翻译：出口合同的履行手续繁杂、环节众多，以信用证支付方式为例，一般包括备货、催证、审证、改证、租船订舱、报关、报验、保险、装船、制单结汇等环节，各环节之间存在密不可分的关系。是什么意思？

Export performance of the contract and complex procedures, many links to the letter of credit payment, for example, generally include stocking, reminder cards, trial cards, change cards, charter booking, customs declaration, inspection, insurance, shipping, such as a single settlement system links,

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Exports the contract to carry out procedure numerous and diverse, the link is multitudinous, take the letter of credit payment way as the example, includes generally prepares goods, urges the card, to examine the card, to change the card, the chartering subscribes the cabin, the declaration, declare

Export performance of the contract-out complex, part of many, in an irrevocable manner, for example, generally include stock, modified collection card, certificate, permit, chartering, customs clearance, inspection, insurance, loading, single settlement-making links and so on, there is a close relat

The performance procedure of exporting the contract is miscellaneous, links are numerous, taking means of payment of the letter of credit as examples, include prepare the goods, urge card, examine card, change card, book, declare at the Customs, newspaper test, insurance, ship, make person who settl