Sentence examples for it was difficult to specify from inspiring English sources

In our study, it was difficult to specify criteria to define the optimal age for operative correction.

In the Abstract category, it was difficult to specify a set of abstract terms that can be used consistently and dominantly, so it was suggested to enhance browsability using hierarchical and associative relations.

Although it was difficult to specify exactly what from an exercise could be beneficial in an actual event, several respondents felt that the exercise contributed to an unconscious experience, which was activated during actual events.

There had been competing proposals that arthropods were closely related to other groups such as nematodes, priapulids and tardigrades, but these remained minority views because it was difficult to specify in detail the relationships between these groups.

It also concedes that PFI does not work for information-technology projects because IT changes so fast that it is difficult to specify long-term contracts.

A spokesman for the London Fire Brigade said the appearance of sinkholes can be very unpredictable and it is difficult to specify precautionary measures.

While it is difficult to specify a standard number patients can keep in mind, research has shown that hospital mortality rates are lower when those operations are performed frequently.

Yet it is difficult to specify what quality means in HE (Gibbs, 2010).

She argues that it is difficult to specify the marks and features of a term that plays a normative role in our mutually shared worldview.

Finally, NHST can be more appropriate when it is difficult to specify a set of theory-based candidate models (Steidl 2006).

Since Mukhin et al. (1989) used complex natural samples (terrestrial rocks and chondrites), it is difficult to specify what reactions occur.