For example, new survey techniques have enabled us to detect population increases when the starfish are quite young, so we can be ready for them.
例如，新的调查技术使我们能够在海星很小的时候就发现它们的数量增加，所以我们可以为它们做好准备。
If we rely on standard market survey techniques, we will yield old data rather than cutting edge, emerging trends.
假如我们依赖一般的市场调查，只能生成陈旧的数据，而不能领导新兴的潮流。
GPS has been playing a very important role which can not be taken by the traditional survey techniques in long distance sea-spanning bridge construction.
在远距离跨海桥梁工程施工中，GPS定位技术正发挥着常规地面测量技术无法承担的重要作用。
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