难得

The hornbeam is year to year blossoms in the tropics area, but actually very little blossoms in the Yangtze valley cultivation, therefore the people usually analogy "very unlikely situation" to be very rare, the very rare matter.

铁树在热带地区是常年开花的，但在长江流域栽培却很少开花，所以人们通常把"铁树开花"比喻为十分难得、非常罕见之事。

The housekeeper is a real treasure—I don't know what he would do without her.

这个管家真是难得——我不知道如果离开了她，他该怎么办。

Hoverer, it is usually a difficult to obtain an explicit matrix for nonlinear time-varying system.

过程噪声和测量噪声影响Kalman滤波的性能，通常很难得到它们准确的值。

In preference to a three month wait for the ferry to Timbuktu local cargo boat becomes home for the journey up the Niger River, From Niger, Michael heads north over the Hugger Mountains through the rich gas and oil fields of Algeria and on into Libya, where we have the rare chance to experience a culture long closed to outsiders.

前往延巴克国的渡轮三个月才有一班，米高选了本地货船畅游尼日河。他在尼日攀越霍加尔山向北行，经过阿尔及利亚丰富的天然气田与石油田，进入利比亚，在当地他难得体验一种对外隔绝已久的文化。

Chek Hup Ipoh White coffee has low caffeine content and is mild to the digestive system,it meets the demand of modern healty life style while avoiding the adverse effect and high calories of ordinary coffee drink.

最难得的是，白咖啡的咖啡因含量非常低，既符合了现代人健康瘦身的要求，又避免了饮用一般咖啡所带来的燥热与烦恼。

Our existing legislation merely regulates that mortgagee can implement the hypothec by applying to the court for auction or realization of hypothecated assets, hut it's still indistinct that how to apply and what procedure to follow, which make it difficult to implement substantial rights through certain procedures.

对于抵押权公力实现而言，我国现行立法仅规定了抵押权人可以向法院请求拍卖和变卖抵押财产，但是如何申请、具体采用何种程序仍然模糊不清，使实体上的权利很难得到司法程序的保障。

I mean,are you an ideologue or just a silly school girl following the brooding boy who finally noticed her?

我是说，你到底是个空想家呢，还只是个傻傻的女高中生，难得有个垂青就黏上不放了？

If you are a serious mystical student, you'll need this rare and illuminating book.

如果你是一个严重的神秘学生，你需要这样一次难得的和有启发性的书。

In fact, the silence of night, the atmosphere for flying our thoughts are enough to make us silent, immersible, and let our hearts enjoy the rare nicety.

其实，夜色的宁静、令人容易放飞思绪的氛围，足以让人缄口、沉浸，让心享受难得的美好。

Born and raised in New York, he developed catholic musical tastes early on, with a collection of 10,000 records and an improbably encouraging father.

他生长于纽约，很早就培养了广泛的音乐鉴赏力，收集了上万张唱片，更难得的是，他还拥有一位支持他的父亲。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。