难区分的

The simthsonite name derives from English mineralogist James Smithson(1765-1829), who identified two different minerals smithsonite from hemimorphite in 1807, both have long been confused as same mineral, called calamine, used to produce brass, mixed with cupper.

18世纪末在欧洲，人们称用于冶炼黄铜的，和铜矿混在一起的锌矿石为菱锌矿，实际上那是的"菱锌矿"里面混杂了含水硅酸锌、异极矿和碳酸锌。由于产状大多时葡萄状，所以很难区分两种矿物。

Flood inundated area is one of the most important information to real-time monitoring and quick evaluation of flood damage.

在洪水灾害监测、灾情评估中，洪水淹没范围是最重要的信息之一。提取水体的范围，但很难区分出原有水体和洪灾中淹没区范围。

In developing its new generation of hearing systems, Phonak studied how the human outer ear, the pinna , localizes sound.

佩戴助听器的人常常抱怨声音定位困难，也就是说，很难区分声音的来源。

Both benign and malignant endocrine neoplasms demonstrate some degree of cellular pleomorphism, so it is not easy to tell benign from malignant on histologic grounds alone.

无论是良性内分泌肿瘤还是恶性内分泌肿瘤都显示一定程度的细胞异型性，因此仅从组织学上很难区分肿瘤的良恶性。

But in the real world, it's very hard to know which problems are important, and you never know whether at a given moment in history a problem is solvable.

但是在现实世界中，很难区分哪些问题是才是重要的，而且你也永远不知道在某个特定的历史时期某个问题能否被解决。

PET films uniaxially drawn in hot water are studied by means of conventional DSC and modulated DSC.

应理解为上述时态是撰写摘要时常用的几种时态，有时很难区分它们在含义上的严格差异。

Scholars sometimes distinguish Vedism, the religion of ancient India based on the Vedas, from Hinduism, although it is difficult to pinpoint a time that demarcates them.

学者有时区分Vedism ，宗教的古印度基於吠陀经，来自印度教，虽然这是很难确定的时间是划定它们。

There is a close relationship between branches of sociology, such as sociology of religion, politics, economic, law and education in Max Weber' s sociological works.

在韦伯的社会学中，各个分支社会学之间存在着有机的关联，宗教、政治、经济、法律、教育混成一体，很难区分出中心和边缘。

Fire worship is a religious devotion to fire as a sacred element, like sun worship from which it cannot always be distinguished.

拜火教是一种将火视为神圣元素的宗教膜拜。与太阳崇拜的道理类似，但拜火与太阳崇拜往往很难区分开来。

If gelatin-type desserts are prepared without color, inexperienced tasters will find it hard to distinguish lime from cherry.

如果生产的明胶型甜点没有颜色，那么缺乏经验的品尝人员将很难区分它究竟是酸橙味还是樱桃风味

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。