difficult的例句大全

Because of the special biological structure of bryology, it was very difficult to transfer foreign gene into the protonema or gametophyte by Agrobacterium-mediated transformation.

由于藓类植物特殊的生物学结构用农杆菌侵染其原丝体或者茎叶体很难实现转化，以原生质体作受体是藓类植物转化的常用途径。

Education makes a people easy to lead, but difficult to drive; easy to govern but imposible to slave. ( Brougham, British statesman)

教育使民族容易，难于驱使；容易管理，却不奴役。（英国政治家布罗马汉姆）

If they're broken in another country, getting a new prescription could be difficult and you want to be as alert as possible to your surroundings.

如果在异国他乡眼镜破了，要再配一副新的很难，你希望的是对周围环境保持最大警觉。

Your family can help bring you through this difficult time.

在此困难时期你的家人能帮你度过困难。

That means it is very difficult to see a situation of high oil prices and low coal prices, it is all arbitraged out.

这意味着，我们很难看到高油价、低煤价的局面&都通过套利活动消除了。

Although tacit Knowledge is difficult to express in words, it could be apperceived and measured.

隐性知识难以用语言表达，但并非不可感知和测度。

It is difficult to locate a tree typical of a pure species in the arboretum and park collections of the United States and europe.

当你在美国和欧洲的树木园或公园采集时，很难找到一株典型的纯种树。

She found it difficult to make friends because of her natural reserve.

她因天性矜持很难交到朋友。

The Reducing treatment of primitive cells is an important process to reconstruct the lattice and to determine the Bravais lattice of unknown crystals. The errors of the data used for reconstruction, which come from the measurement and calculations, usually make the reducing treatment uncertain and difficult.

初基胞约化处理是重构点阵和确定未知晶体Bravais点阵的一个重要环节，原始数据的测量误差和计算引入的积累误差给初基胞约化处理造成困难和不确定性。

Now it is very difficult to find a university without a branch campus.

现在很难找到一个没有分校的大学。

As Brachiosaurus body of too stupid, we all think that the past it was difficult living on the land.

由于腕龙的身体太过于笨量，因此以往大家都认为很难在陆地上生活。

I find it difficult to be objective where he's concerned.

只要涉及他，我就难以做到保持客观。

The fact that I am heterosexual and a cross dresser makes it more difficult for society to understand.

我是一个异性恋者和变装者，这个事实使社会更加难以理解我。

But the maximalist approach to this, a global treaty with binding caps on emissions, is going to be extraordinarily difficult to achieve.

但最大限度式的解决之道对温室气体排放施加限制的全球协定将特别难以实现。

The application of restrictive trade theory can bring about a lot of problems and issues. It's difficult to find one general standard from court ruling.

限制贸易理论的适用导致的问题和争论较多，从法院的判决中也较难找到普遍的法律适用标准。

Researchers at the University of Warwick are examining a way of using bacteria to manufacture a new suite of potential anti-cancer drugs that are difficult to create synthetically on a lab bench.

一些抗肿瘤药物由于结构过于复杂使得人工合成难以进行。科学家可以利用微生物来合成这类新的药物。

The Chinese proficiency competition "Chinese Bridge" tests student's skills in various aspects of learning what's often considered to be the most difficult language in the world.

“汉语桥”中文比赛是一项旨在测试学生汉语学习技能的竞赛，而汉语被认为是世界上最难学习的一种语言。

This should not be difficult because the customer's name always appears on checks and other documents.

这点应不难做到,因为客户的名字常会显示在支票及其它相关文件上.

At the same time, Cheng describes the BRICS as a very loose group of countries that may find it difficult to forge consensus because of differing basic interests.

但与此同时，郑宇硕认为金砖五国是一个非常松散的组合，在基本利益上存在差异，因此很难形成重要共识。

Therefore, it is difficult to determine all kinds of variable mechanical parameters and engineering design index of the surrounding ground.

因此，难以正确地确定各种未知多变的力学参数和工程设计指标。