You should perform a few spikes (simple, directed research-and-development projects) to make sure you have enough understanding for estimation purposes.

您应该执行一些spikes(简单直接的研究与开发项目)来确保您可以理解评估目的。

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Eat or drink too much of a good thing, and simple sugars can stimulate unhealthy effects, like dramatic spikes in blood sugar and triglyceride production that can lead to heart disease.

吃或喝太多的好东西和单糖可以引发不健康的后果，比如，血糖和甘油三酯飙升导致心脏疾病。

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A surge protector or simple capacitor or varistor can protect against most overvoltage conditions, while a lightning arrestor protects against severe spikes.

电涌保护器或简单的电容或压敏电阻可以防止大多数过压情况的出现，而避雷器则保护严重尖峰的尖峰电流。

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