难得的

In these circumstances it is very hard indeed to build a "militant Bolshevik Party".

在这种情形下，"斗争的布尔什维克党"的建设，真是难得很。

According to the theory of first-order Born approximation,a Fourier Domain Optical Coherence Tomography model of single scattering infinite narrow beam is established,and the reason why it is hard to obtain the exact solution of integrated scattering equation is analyzed.

选择多层介质作为样品，根据波恩一阶近似理论建立了单次散射的无限细直光束频域OCT模型，并分析了散射积分方程很难得到精确解的原因。

Everyone here in America who has allowed the brutalization and depersonalization to go on should be responsible.

在耶鲁，他们排演戏剧和音乐节目的时间少了，参加校园社团和体育运动的机会少了，连抽点时间散散步，聊聊天也很难得，几乎无法给自己的生活稍留空隙。

He's also over 37 minutes a game...significant as stamina is a long-standing bugaboo of his.

非常难得因为他的耐力一直是长期困扰他的问题。

Our baby safe formulas are made with a blend of soothing, organic aloe , calendula and chamomile .

不含滑石粉的配方，很难得啊！！国内所有baby爽身粉都是含滑石粉的！

The two "Chimney Sweeper" poems are good examples to reveal the relation between an economic circumstance, i.e.

露丝诗形容难以捉摸难得困扰节奏和优美抒情的简单一个年轻的国家少女过着简朴生活在偏僻乡村远离文明世界。

Dishwashers use an excessive amount of water and energy, and rob the family of one of the rare moments in modern life when they can work and talk together. Instead of using a dryer, that shortens the life of your clothing, line dry your clothes - or if weather and/or circumstances don't allow, use a clotheshorse to dry indoors.

洗碗机耗费过量的水电，而且剥夺现代家庭成员，难得一起工作和聊天的片刻，不要使用烘干机，这样会缩短衣服穿用年限，直接把衣服挂在户外晾干--若天气情况不允许，使用晒衣架在室内晾干。

From the view of mathematics, it is a NP-hard combinational optimization problem with constraints and it is difficult to find the global optimal solution in theory.

从数学上讲，机组投入问题是一个多约束的NP-hard组合优化问题，很难得到理论上的最优解。

I think it is commendable that he has never changed his spiritual pursuit in for a dozen years.

我觉得难得可贵的是他十多年来不变的精神追求。

It is difficult to obtain an accurate analytic solution to the machining deformation because of the complicacy of milling process.

铣削过程的复杂性使加工变形问题很难得到精确的解析解。

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。