如果某个特定的缓存太小，则WebSpherePortal服务器会太频繁地访问数据库，从而导致性能下降。
If a particular cache is too small, then the WebSphere Portal server can go to the database too often, which can result in performance degradation.
API调用常常很繁琐：繁琐的客户端指的是为了完成一次功能需要发出多次HTTP请求，从而导致严重的性能下降及网络超载。
API requests are often chatty. Executing a chatty client, one making multiple HTTP calls, usually leads to both significant performance degradation and network over utilization.
由于在线分析仪表不仅价格昂贵，而且分析仪表滞后大，最终将导致控制系统的性能下降，从而难以满足生产要求。
On-line analysis instruments have several disadvantages including costly price, great lag etc., which lead to descend of control system's performance and can't meet production requirements.
但是OFDM信号有高的峰值平均功率比，当它通过高功率放大器时会导致非线性失真，从而使得系统的性能下降。
But the OFDM signal has a large PAPR, which results in the significant nonlinear distortion when it passes through a HPA (high power amplifier), thereby the performances of the system descend.
各种氧化应激使动物细胞中积累大量的活性氧，从而导致畜禽生产性能的下降。
Many kinds of oxidative stress urge to accumulate a lot of reactive oxygen species in animal cells, which leads to the decrease of animal performance.
定时偏差会导致码间干扰，频率偏差会破坏子载波间的正交性，引起子载波间干扰，从而使系统整体性能急剧下降。
Timing offset causes inter-symbol interference, and frequency offset would destroy the orthogonality between subcarriers, causing ICI, which lead to a sharp decline in overall system performance.
近几十年以来，人们对奶牛的选育一直偏重于提高奶牛的产奶量，伴随而来的是奶牛的繁殖能力、使用寿命等性能的恶化，从而导致一定程度上奶牛业经济效益的下降。
People are interested in improving production of dairy cattle over the last decade, meanwhile the trend to poorer fertility and longevity is obvious, and a decline in economic has been observed.
近几十年以来，人们对奶牛的选育一直偏重于提高奶牛的产奶量，伴随而来的是奶牛的繁殖能力、使用寿命等性能的恶化，从而导致一定程度上奶牛业经济效益的下降。
People are interested in improving production of dairy cattle over the last decade, meanwhile the trend to poorer fertility and longevity is obvious, and a decline in economic has been observed.
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