yet a great many processes depending on such research are sought for with complete secrecy until the stage at which patents can be taken out .
句子语法结构分析如下
状语：Yet （然而）
主语：a great many processes（很多流程/过程）
后置定语：depending on such research（依赖这样的研究的）
谓语：are sought for（被探求到）
方式状语：with complete secrecy （处于完全保密的状态）
时间状语：until the stage at which patents can be take out（一直到获得专利权的阶段）
完整中文翻译：在未获得专利权阶段之前，依赖这样研究的很多流程都是在处于完全保密状态下被探求到的
（1）depend on
英 [diˈpend ɔn] 美 [dɪˈpɛnd ɑn]
依赖；相信；信赖；随…而定
(1) 依赖, 依靠
You can't depend on your parents forever.
你不能永远依赖你的双亲。
You may depend on their support.
你可依靠他们的支持。
We can depend on him for help.
我们可以指望他帮忙。
All living things depend on the sun for their growth.
万物靠太阳生长。
My success depends on my friend helping me.
我的成功是依靠我的朋友帮助我。
I depend on you to do it.
这件事我就指望你了。
We are depending on you to finish the job.
我们指望你来完成这项工作。
(2) 相信; 信赖
You may depend on him.
你可以信赖他。
I'll be there, depend on it!
你放心, 我一定去!
You may depend on his/him coming.
你可以相信他会来。
You may depend on him to do it well.
你可以相信他能把事办好。
3. 随…而定
Whether the game will be played depends on the weather.
比赛是否举行要看天气而定。
It depends on the weather.
那要看天气如何而定。
That depends (on) how to tackle the problem.
全看怎样处理这个问题了。
It depends (on) who will be the first to arrive there.
要看是谁第一个到达那里。
That depends (on) where you live.
要看你住在哪里。
That depends (on) what he will do next.
这要看他下一步会做什么。
（3）seek for
英 [si:k fɔ:] 美 [sik fɔr]
寻求， 探求；企求
1. 寻求, 探求
He sought vainly for the answer.
他搜索枯肠, 但找不到答案。
Other people seek the mountains for renewal of their inner lives.
另一些人到深山中去, 寻求新的精神生活。
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