Sentence examples for verification is difficult from inspiring English sources
They have not gotten very far in the investigation, probably because document verification is difficult given that the breakaway northern part of Cyprus is recognized only by Turkey and does not have diplomatic relations with other nations.
Thirdly, case verification is difficult and lengthy, given the dearth of reference laboratories.
The mechanism is elegant and appealing, but experimental verification is difficult because it requires not only identification of the different morphogens, but also their in vivo diffusion or cellular reaction constants, data which are very difficult to obtain.
Twitter does ask for the country of users upon registration, but as it does not ask for a user's gender preference or sex on either sign-up or upon verification, it is difficult to establish for certain the gender balance of users.
In the absence of independent monitoring and verification, it is difficult to evaluate whether company codes are applied extensively in practice or remain mere expressions of good intentions".
Secondly, as the new findings presented in this study lack experimental verification, it is difficult to assess the sensitivity and specificity of this approach.
In the present study there were several positive PCR tests with high Cp values and without microbiological verification, and it is difficult to determine their clinical significance.
In most cases, a real verification is very difficult due to the lack of truly independent and comparable data.
Groups of experts have been trying for several years to devise a new verification protocol, but it is difficult to strike a balance between useful checks and the need for bio-tech companies to preserve their legitimate commercial secrets.
However, verification of performance bias is difficult because the actual usual ambulatory mental healthcare is still a black box.
Verification of Tyler's statements is difficult, as a Google search of "cat naturalist" affords little information.
