勘测的英文：
to investigate
to survey

参考例句：

The task assigned to us was to survey navigation channels.
分配给我们的任务是勘测航道。

They surveyed the east coast from a helicopter.
他们从直升飞机上勘测了东海岸。

We need some surveying equipment.
我们需要一些勘测设备。

The forester has explored those tropical rain forests.
那个林务员已经勘测了那些热带雨林。

A survey of the property showed that there was some oil undergroud.
对这块地产的勘测表明，地下有石油。

They surveyed land and erected signposts and distance indicators.
他们还负责勘测土地，竖立路标和距离示意牌。

The nuclear-magnetic-resonance magnetometer first went into service in airborne prospecting during the middle 1950s
核磁共振磁力仪第一次进入航空勘测是在五十年代中期。

Other exploitable mineral deposits appear to be rare, but only cursory surveys have been made.
除石油外，这个地区其它可供开采的矿藏看来很少，但勘测工作极为潦草。

But even though you didn't identify the attacker, the intruder still managed to map your network.
但虽然你没有识别攻击者，侵入者仍设法勘测贵网络。

Multichannel sparker recording has recently come into use for shallow-penetration.
多道火花发生器记录系统，最近开始已在浅层勘测中应用。

investigate是什么意思：
v. 审查；调查，研究

No investigation, no recognition.
没有调查，就没有发言权。

You have to investigate into this affair.
你必须调查研究这件事。

They investigate corruption.
他们调查贪污。

Investigation is exploring.
调查就是探索。

No investigation, no right to speak.
没有调查就没有发言权。

survey是什么意思：
v. 俯瞰；测量，勘测；调查
n. 调查；审视；测量，勘测；纵览；概览

a comprehensive survey
全面的考察

sounding survey
海底测深；水深测量

This was an uncritical survey.
这是一个不中肯的概括。

This survey will not compromise your privacy.
本调查不会侵犯您的隐私。

He surveyed the bookshelves.
他审视了那些书架。