参加此次阅舰式的外军军官们参观了一艘宋级柴电潜艇。

Foreign military officials attending the regatta toured a Song - class diesel - electric submarine.

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随后的宋级（039型）比明略大，采用流线型外壳以获得更好的减噪性能。

Submarines of the Song (Type 039) follow-on class are slighter larger than the Ming and incorporate streamlined hull for better submerged performance.

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虽然这从未被证实，这么做对PLA海军是没有困难的因为导弹已经成功地与039型(宋级)柴电潜艇一起整合。

While this was never confirmed, there is no difficulty for the PLA Navy to do so since the missile has already been successfully integrated with the Type 039 (Song class) diesel-electric submarine.

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