It's easy to go up to a third scale, but difficult to a seventh.
音阶上升三度容易，上升七度就难了。
Curiosity, he argues, is the third key factor—and a difficult one to preserve.
他认为，好奇心是第三个关键因素，也是一个很难保持的因素。
Next the researcher introduced a third option, a third paddle that would initiate a new trial, giving the dolphin the choice of passing on difficult trials.
接下来，研究人员引入了第三种选择，用第三只桨启动一个新的试验，让海豚选择跳过困难的试验。
Third, AD hoc reporting on your database is difficult, unless you add views to simulate the desired tables.
第三，有关数据库的专门报告很困难，除非添加一些视图来模拟所需的表。
In complying with one mandate, organizations must avoid implementing new systems so rigid that they would make adopting a second or third set of requirements difficult or impossible.
在遵守一个要求时，组织必须避免太快地实现新系统，以至于采用第二个或者第三个需求集合变得困难甚至不可能。
Third, more members in the currency area meant more seats at the table, rendering decision-making about enforcing criteria more difficult.
第三，欧元区成员国越多就代表着席位越多，也就意味着制定执行决策更为困难。
These are hard to do. They're core, risky and may require interaction with third parties, difficult conversations, and they're also valuable differentiators.
它们很难做，是核心领域，充满风险而且可能需要和第三方进行交互，非常困难的交互，它们是有价值的差异。
Third, it is difficult to support multiple roles and still maintain data integrity.
第三，很难在支持多个角色的同时仍维护数据完整性。
Another issue is that all code must conform to this style, which can be difficult if you're integrating third-party code within an application that doesn't conform to this naming convention.
另一个问题就是所有代码必须遵循这种风格，因此如果在应用程序中集成了不遵循这种命名约定的第三方代码后，问题就复杂了。
Third, spoofing attacks are difficult to execute.
第三，欺骗攻击难以执行。
The third step might not be as difficult as it would appear. It starts off relatively simple: Sony would withdraw all of its content from the Apple ecosystem.
第三个步骤，看起来挺简单：从苹果消费平台上，撤回所有索尼的内容。
Furthermore, it could be difficult to determine whether open source software infringes on third-party intellectual property rights, McAfee said.
而且还招来了很多没有预料到的产品债务。 用户很难确定GPL协议下的产品是否侵犯第三方知识产权，就连GPL都很难解释它旗下软件的所有权是否真的符合GPL条款。
This is a difficult decision but we believe it is the right one, and we are glad we reached it prior to taking in any third-party capital....
这是困难的决定，但我们认为这样做是对的，而且我们很庆幸，在没有吸收任何第三方资本之前做出了这个决定…
Once we had a child, then a second child, then a third, saving got more difficult.
我们有了一个孩子，之后又有了第二个，第三个，攒钱随之就变得越来越难了。
For the past two they have finished sixth but unless there is a flurry of transfer activity it is difficult to believe that the Irishman can manage it for a third time.
过去两个赛季，他们都获得了第六名，但除非有更大的转会动作，否则很难相信爱尔兰人可以第三次获得第六名。
As for the third question, the most difficult decision you may face on your visit to Hawaii, is where to eat.
至于第三个问题，你去夏威夷游玩面临的最困难的抉择是去哪里吃。
Henry's third wife Jane Seymour provided a male heir, Edward, but died soon after a difficult Labour.
亨利的第三任妻子简·西摩尔生下一个男性继承人，即爱德华，但很快死于一次难产。
The third category, however, tied to social meaning, presents an extremely difficult set of challenges.
但第三类，由于关联到社交涵义，所以是个极难的挑战。
HMV Group, owners of the last surviving high-street music chain and linchpin of the business, produced its third profits warning of the year as conditions on the high street "remained difficult".
作为该行业的核心力量以及仅剩的高街音乐连锁店，HMV集团得到本年度第三个收益警告，因为高街的效益情况“持续低迷”。
Reconciling the rich world to the rise of these powerhouses will be as difficult as integrating the third world into the global market, Mr Van Agtmael argues.
阿格·塔米尔认为，让富裕国家接纳新兴国家的崛起，和让第三世界融入全球市场一样困难。
Sandboxing a third-party video player is more difficult and requires iframes at the very least.
为第三方视频建立沙盒比较困难，至少需要内联框架。
Third in line to the throne, 26-year-old Harry has a difficult path to tread.
作为王位的第三继承人，26岁的哈里的人生道路可不太好走。
In the late 1800s, one third of industrial Bilbao's annual requirement of coal - some 200,000 tons - arrived by ship from England because it was difficult to get coal from Spain's interior.
在19世纪末期，工业化的比尔巴鄂每年需用的煤炭有三分之一，大约200,000吨是从英国海运过来，因为从西班牙内地取得煤炭更为困难。
" Third thief said: "These are not difficult, I can him all his clothes stolen.
第三个小偷说：”这都不难，我能把他身上的衣服全部偷来”。
This can make it difficult to determine what column you are referring to; however, its execution is quite fast. A third option is to use a string and refer to the column by name
这可能使您很难确定在引用哪一列，但是其执行速度相当快。
The first fall two powder, the third fall half: first day such as rain, the second is cleared, the third if rain will fall fifteen. Difficult to estimate.
初一落初二散，初三落月半：初一如下雨，初二则会放晴，初三若下雨则会落到十五。难估计。
The first fall two powder, the third fall half: first day such as rain, the second is cleared, the third if rain will fall fifteen. Difficult to estimate.
初一落初二散，初三落月半：初一如下雨，初二则会放晴，初三若下雨则会落到十五。难估计。
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