API 层策略虽然非常坚固和可靠，但它存在一些缺点。
The API Layer strategy, though solid and robust, does have a few drawbacks.
它的球墨铸铁外壳确保了在恶劣的环境坚固和可靠的性能。
Its ductile cast iron enclosure ensures rugged and reliable performance in the harshest environments.
在拥有坚固、可靠的软件和频繁的集成、快速的演示之间找到一个平衡是非常不容易的。
It was hard to find a good balance between having solid, credible software and pulling together frequent, quick demonstrations.
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